NCERT Class 11/MCQ Questions for Class 11 Biology sets 4 Sample Test,Sample questions

Question:
Aerobic respiratory pathway is also termed as ______ pathway.

1.Anabolic

2.Catabolic

3.Creatine phosphate

4.Amphibolic

Posted Date:-2021-12-24 16:51:13


Question:
Among the following stem cells, which are found in the umbilical cord?

1.Cord blood stem cells

2. Adult stem cells

3. Embryonic stem cells

4.All of the above

Posted Date:-2021-12-24 19:12:32


Question:
An adult human has systolic and diastolic pressures as:

1. 80 mm Hg and 120 mm Hg

2.120 mm Hg and 80 mm Hg

3.50 mm Hg and 80 mm Hg

4. 80 mm Hg and 80 mm Hg

Posted Date:-2021-12-24 16:56:46


Question:
Arteries are best defined as the vessels which

1.Carry blood from one visceral organ to another visceral organ

2.Supply oxygenated blood to the different organs

3.Carry blood away from the heart to different organs

4.Break up into capillaries which reunite to form a vein

Posted Date:-2021-12-24 19:17:17


Question:
Artificial pace maker is transplanted in

1. Inter auricular septum

2.Below the collar bone

3.Inter ventricular septum

4.Right auricle

Posted Date:-2021-12-24 19:11:04


Question:
Assimilation means

1.utilising the water taken by body

2.accumulating the food for digestion

3.utilisation of absorbed substances

4.collecting wastes left after the absorption of required nutrients

Posted Date:-2021-12-24 16:00:50


Question:
Average blood filtered by kidneys per minute is

1. 1000 – 1500 mL

2.500 – 600 mL

3. 200 – 300 mL

4. 1100 – 1200 mL

Posted Date:-2021-12-24 19:29:05


Question:
Cardiac arrest is the state when

1.heart stops beating

2. inadequate blood supply to the heart

3.heart not pumping enough to meet the body needs

4.blood pressure increases

Posted Date:-2021-12-24 19:15:46


Question:
Carrier ions like Na+ facilitate the absorption of substances like

1.Fructose and some amino acids

2.Amino acids and glucose

3.Glucose and fatty acids

4.Fatty acids and glycerol

Posted Date:-2021-12-24 16:06:05


Question:
Christmas disease is also known as

1.Haemophilia B

2. AIDS

3.Haemophilia A

4.Haemolytic jaundice

Posted Date:-2021-12-24 19:17:59


Question:
Correct enzyme-substrate pair is

1.Maltose-lactase

2. Protein-amylase

3.Carbohydrate-lipase

4.Casein-rennin

Posted Date:-2021-12-24 15:55:46


Question:
Deoxygenated blood from heart comes to lungs via

1.pulmonary vein

2. systemic vein

3.pulmonary artery

4.systemic artery

Posted Date:-2021-12-24 16:11:30


Question:
Duct leading from parotid gland and opening into vestibule is

1.Wolffian duct

2.Stensons duct

3.Haversian duct

4.Infra-orbit duct

Posted Date:-2021-12-24 16:02:54


Question:
Duration of cardiac cycle is

1. 0.7 sec

2.0.9 sec

3.0.8 sec

4. 0.11 sec

Posted Date:-2021-12-24 16:57:25


Question:
During prolonged fasting, in what sequence are the following organic compounds used up by the body?

1.First carbohydrates, next proteins and lastly lipids

2.First carbohydrates, next fats and lastly proteins

3. First fats, next carbohydrates and lastly proteins

4.First proteins next lipids and lastly carbohydrates

Posted Date:-2021-12-24 15:57:11


Question:
Emulsification of fat takes place through

1.Liver enzymes

2. Bile pigments

3.Bile salts

4.Enzymes of small intestine

Posted Date:-2021-12-24 16:04:41


Question:
Epithelial cells of the intestine involved in food absorption have on their surface

1.phagocytic vesicles

2.pinocytic vesicles

3.microvilli

4.zymogen granules

Posted Date:-2021-12-24 16:05:24


Question:
Globet cells of intestinal mucosal epithelium secrete

1.mucus

2.cholesterol

3.peptones

4.bilirubin

Posted Date:-2021-12-24 16:04:07


Question:
Growth in dorsiventral leaf is measured in terms of

1.length of leaf

2. increase in cell number

3.surface area increase

4.None of these

Posted Date:-2021-12-24 15:49:25


Question:
Heart failure occurs due to

1.heart stops beating

2.damage of heart muscles

3.congestion of lungs

4.All of the above

Posted Date:-2021-12-24 17:00:22


Question:
Heparin is

1.Anti-allergic

2. Blood diluter

3.Anticoagulant

4.Antiseptic

Posted Date:-2021-12-24 19:14:44


Question:
If a man takes large amount of protein, he is likely to excrete more amount of

1. Glucose

2.Urea and uric acid

3.Water

4.Salts

Posted Date:-2021-12-24 19:32:37


Question:
If due to some injury the chordae tendinae of the tricuspid valve of the human heart is partially non-functional, what will be the immediate effect?

1.The flow of blood into the pulmonary artery will be reduced

2.The flow of blood into the aorta will be slowed down

3.The pacemaker will stop working

4.The blood will tend to flow back into the left atrium

Posted Date:-2021-12-24 19:14:05


Question:
If vagus nerve is cut the heart beat

1.increases

2.decreases

3. will not be affected

4.will stop immediately

Posted Date:-2021-12-24 19:13:13


Question:
In brain, respiratory control centre lies in

1. pons

2.medulla oblongata

3.hypothalamus

4.cerebrum

Posted Date:-2021-12-24 16:10:40


Question:
In developing embryo RBCs are formed in

1.Lymph node

2. Bone marrow

3.Liver

4.Spleen

Posted Date:-2021-12-24 16:54:32


Question:
In glycolysis ultimately

1.starch is converted into glucose

2.glucose is converted into fructose

3.protein is converted into glucose

4.glucose is converted into pyruric acid

Posted Date:-2021-12-24 15:58:05


Question:
In humans, blood passes from the post caval to the diastolic right atrium of heart due to:

1.Pressure difference between the post caval and atrium

2.Pushing open of the venous valves

3.Suction pull

4.Stimulation of the sino auricular node

Posted Date:-2021-12-24 16:55:37


Question:
In the above picture Q represents

1.exitation of the atria

2.depolarisation of ventricles

3. begining of systole

4.repolarisation

Posted Date:-2021-12-24 16:58:08


Question:
In the kidneys, osmotic pressure controls ______

1.Glucose absorption

2. Sodium absorption

3. Water absorption

4.None of these

Posted Date:-2021-12-24 19:31:15


Question:
JG cells release

1.angiotensin II

2.aldosterone

3.renin

4.ANF

Posted Date:-2021-12-24 19:26:29


Question:
Kidneys are located in

1.thoracic cavity

2.abdominal cavity

3.body cavity

4.pelvic cavity

Posted Date:-2021-12-24 19:23:06


Question:
Label the parts of the human respiratory system.

1.A- Oesophagus, B- Bronchioles, C- Lungs

2. A- Trachea, B- Bronchioles, C- Lungs

3.A- Trachea, B- Bronchus, C- Lungs

4.A- Oesophagus, B- Bronchioles, C- Pleura

Posted Date:-2021-12-24 16:12:25


Question:
Mechanism of development was explained by
(a) 

1.Hans Dietrisch

2. Spemann

3.Both a and b

4.Haemmerling

Posted Date:-2021-12-24 15:50:40


Question:
Mobilisation of stored food in germinating seeds is triggered by

1.auxins

2.cytokinins

3.gibberellins

4.ethylene

Posted Date:-2021-12-24 15:53:43


Question:
Most water and salts are reabsorbed in

1.DCT

2. Bowman s capsule

3.PCT

4.DCT and PCT

Posted Date:-2021-12-24 19:24:33


Question:
Nerves, blood vessels and ureter enters into the kidney through

1.calyces

2.hilum

3.capsule

4.cortex

Posted Date:-2021-12-24 19:33:31


Question:
Ornithine cycle leads to the formation of

1.NH3

2. ((NH2)2)CO)

3.C5H4N4O3

4.C5H4N4

Posted Date:-2021-12-24 19:20:16


Question:
Oxygenated blood occurs in

1.Pulmonary artery

2.Right atrium

3.Right ventricle

4.Pulmonary vein

Posted Date:-2021-12-24 16:58:46


Question:
Peyers patches found in the small intestine are

1.Epithelial tissue

2.Glandular tissue

3.Lymphatic tissue

4.Haemopoietic tissue

Posted Date:-2021-12-24 15:56:23


Question:
pH of human urine is

1. 7.0

2.6.5

3. 6.0

4.7.5

Posted Date:-2021-12-24 19:27:26


Question:
Pleura is a layer covering

1.heart

2.kidneys

3.lungs

4.brain

Posted Date:-2021-12-24 16:13:03


Question:
Presence of RBCs in urine is

1.Uremia

2.ketonuria

3.Glucosuria

4.hematuria

Posted Date:-2021-12-24 19:19:18


Question:
Presence of __________ in urine indicates diabetes mellitus.

1.Glucose

2.Cholesterol

3.Ketone bodies

4.Both 1 and 3

Posted Date:-2021-12-24 19:31:59


Question:
RBCs, plasma and biocarbonate are the medium for transport of carbondioxide. Maximum amount of carbon dioxide is carried by

1.RBCs

2.Plasma

3.Bicarbonates

4.All RBCs and bicarbonate carried 70 per cent of carbondixide.

Posted Date:-2021-12-24 16:47:03


Question:
Reabsorption of filterate occurs in

1.renal tubules

2.glomerular apparatus

3.medullary pyramid

4.juxta cells

Posted Date:-2021-12-24 19:25:18


Question:
Rheumatic fever can cause damage

1.Alveoli of the Lungs

2. heart valves

3.heart muscles

4.pleural membranes function

Posted Date:-2021-12-24 16:13:42


Question:
Small projections of upper surface of tongue are called

1.fimbriae

2.pilli

3.papillae

4.cilia

Posted Date:-2021-12-24 16:07:24


Question:
Sweetest sugar is

1.Fructose

2.Sucrose

3.Glucose

4.Lactose

Posted Date:-2021-12-24 16:08:00


Question:
The cells lining the blood vessels belong to the category of

1.Columnar epithelium

2.Connective tissue

3.Smooth muscle tissue

4.Squamous epithelium

Posted Date:-2021-12-24 16:59:32


Question:
The function of pneumotaxic centre is

1.regulate inspiration

2.regulate rhythm

3.increase heart rate

4.All of the above

Posted Date:-2021-12-24 16:09:03


Question:
The glucose is converted into glycogen in liver and stored in

1. Liver and spleen

2.Liver and muscle

3.Liver

4.Spleen and muscles

Posted Date:-2021-12-24 16:06:46


Question:
The HCl in gastric juice converts:

1.Disaccharide to monosaccharide

2.Pepsinogen to pepsin

3.Prorennin to rennin

4.Polypeptide to peptide

Posted Date:-2021-12-24 15:59:27


Question:
The maximum volume of air contained in the lung by a full forced inhalation is called

1.Vital capacity

2.Tidal volume

3.Total lung capacity

4.Inspiratory capacity

Posted Date:-2021-12-24 16:52:25


Question:
The maximum volume of air that can be released from the lungs by forceful expiration after deepest inspiration is called the ______.

1.Total lung capacity

2.Vital capacity

3.Tidal volume

4.Ventilation rate

Posted Date:-2021-12-24 16:47:48


Question:
The muscular tubes which take the urine from the kidneys to the bladder are

1.Urinary bladders

2.Ureters

3.Urethras

4.Nephrons

Posted Date:-2021-12-24 19:23:56


Question:
The oxygen dissociation curve is shifted to the right by an increase in ______.

1. H+ concentration

2.PCO2

3.temperature

4.All of these

Posted Date:-2021-12-24 16:51:47


Question:
The pH scale is used to measure

1.Electric charge on ion

2.Speed with which ions form

3.Size of ions

4. Concentration of hydrogen ions in a solution

Posted Date:-2021-12-24 16:01:32


Question:
The principal nitrogenous excretory compound in humans is synthesised

1.In the liver but eliminated mostly through kidneys

2. In kidneys but eliminated mostly through liver

3.In kidneys as well as eliminated by kidneys

4.In liver and also eliminated by the same through bile

Posted Date:-2021-12-24 19:34:18


Question:
The renal medulla consists of cone-shaped tissue masses called _______.

1. Renal pyramid

2.Adipose capsule

3. Renal cortex

4.Renal pelvis

Posted Date:-2021-12-24 19:34:57


Question:
The yellow pigment derived from heme breakdown and excreted by kidneys is

1.Uric acid

2.Urochrome

3.Cholesterol

4.Melanin

Posted Date:-2021-12-24 19:20:56


Question:
Trachea divides into bronchi at

1.4th thoracic vertebra

2.5th thoracic vertebra

3.6th thoracic vertebra

4.7th thoracic vertebra

Posted Date:-2021-12-24 16:50:34


Question:
Typical plant growth shows _________ curve.

1.J-shaped

2.S-shaped

3.I-shaped

4.Parabolic

Posted Date:-2021-12-24 15:53:11


Question:
What happens when glomerular filteration rate falls?

1.Activation of podocytes

2. Release of renin

3.Repression of juxta glomerular cells

4.None of the above

Posted Date:-2021-12-24 19:21:32


Question:
What is the normal blood pressure of human beings?

1. 110/70

2. 120/70

3.120/80

4.110/80

Posted Date:-2021-12-24 19:16:26


Question:
What protects the moist membranes of the respiratory tract?

1. Mucus and cilia

2. A c shaped cartilage rings

3.A pebbly epidermal surface

4.An acidic glands

Posted Date:-2021-12-24 16:46:19


Question:
When body tissues are injured resulting in the loss of blood, the process of blood clot begins and the blood platelets release

1.Fibrinogen

2.Thrombin

3.Prothrombin

4.Thromboplastin

Posted Date:-2021-12-24 16:56:10


Question:
Which enzyme is used in alcoholic fermentation of yeast?

1.Maltase

2.Invertase

3.Sucrase

4.Zymase

Posted Date:-2021-12-24 16:00:08


Question:
Which growth hormone accerlates the malting process in brewing industry?

1.Auxins

2.Gibberellins

3.Ethylene

4.Cytokinins

Posted Date:-2021-12-24 15:51:37


Question:
Which of the following can be cured by hemodialysis?

1. Renal calculi

2.Glomerulonephritis

3.Uremia

4.All of these can be cured by hemodialysis

Posted Date:-2021-12-24 19:22:24


Question:
Which of the following part of human intestine hosts microorganisms?

1.Colon

2.Caecum

3.Anus

4.Rectum

Posted Date:-2021-12-24 16:02:08


Question:
Which of the following statement/statements can be related to erythroblastosis foetalis?

1. Severe anemia and jaundice to the baby.

2.Can be avoided by giving anti-Rh antibodies to mother immediately after delivery of the first child

3. Rh-antibodies from the Rh -ve mother destroys foetal RBCs

4.All of the above

Posted Date:-2021-12-24 19:11:47


Question:
Which of the following statements is true about Trachea in a respiratory system?

1.It functions as passages of air to each alveolus

2. It functions for sound production

3.It Acts as passage of air to bronchi

4. It Lowers the surface tension

Posted Date:-2021-12-24 16:49:32


Question:
Which one of the following statements in regard to the excretion by the human kidneys is correct?

1.Ascending limb of Loop of Henle is impermeable to electrolytes

2.Descending limb of Loop of Henle is impermeable to water

3.Distal convoluted tubule is incapable of reabsorbing HCO3

4.Nearly 99 percent of the glomerular filtrate is reabsorbed by the renal tubules

Posted Date:-2021-12-24 19:30:41


Question:
Which one of the followings is correct regarding larynx?

1.It prevents foreign objects from entering the trachea

2. It houses the vocal cords

3. It is an organ made of cartilage and connects the pharynx to the trachea

4.All of these are correct

Posted Date:-2021-12-24 16:48:47


Question:
Which organ is most affected by jaundice?

1.Pancreas

2.Liver

3.Stomach

4.Intestine

Posted Date:-2021-12-24 16:03:30


Question:
Which organ lies in thoracic cavity?

1. Heart

2.Lungs

3.Pancreas

4. Both 1and 2

Posted Date:-2021-12-24 16:53:30


Question:
Which part of brain causes nausea?

1. Pons

2.Hypothalamus

3.Parietal lobe

4.Medulla

Posted Date:-2021-12-24 15:55:05


Question:
Which plant growth regulator is the derivative of carotenoids?

1.Auxin

2.Gibberelic acid

3.Cytokinin

4.Abscisic acid

Posted Date:-2021-12-24 15:52:26


Question:
______ lies in front of esophagus.

1.Trachea

2.Glottis

3.Larynx

4.Epiglottis

Posted Date:-2021-12-24 16:09:52


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