Biological catalysts are protein molecules which 1. speed up a chemical reaction 2. remain unchanged after reaction 3. function optimally at 37 deg C. 4. do not have an enzymatic activity Select the correct answer using the code given below.
1.1 only
2.1 2 and 3
3.2 and 3 only
4.1 3 and 4
Posted Date:-2021-06-25 22:29:58
Blood is
1.alkaline
2.neutral
3.like a buffer
4.acidic
Posted Date:-2021-06-25 22:29:58
Branch of agriculture concerned with the production of crops
1.Agrotology
2.Agronomy
3.Agrostology
4.Anthropology
Posted Date:-2021-06-25 22:29:58
Branch of biology in which we study about cultivation of flowering plant
1.Phenology
2.Floriculture
3.Agronomy
4.Botany
Posted Date:-2021-06-25 22:29:58
Chylomicrons are synthesized within the
1.Intestinal cells
2.Liver
3.Storage compartment of plant seeds
4.Lymphatic system
Posted Date:-2021-06-25 22:29:58
Cutaneous respiration occurs in
1.Cockroach
2.Salamander
3.Crab
4.Parrot
Posted Date:-2021-06-25 22:29:58
Dicotyledonous weeds are destroyed by a chemical called
1.Indole - acetic acid
2. 2- 4 dichlorophenoxy acetic acid
3.Abscisic acid
4.Naphthalene acetic acid
Posted Date:-2021-06-25 22:29:58
Excretion is best described as the removal of
1.Undigested material from the digestive tract
2.Metabolic wastes from a cell
3.Toxic wastes by the process of cyclosis
4.Water molecules from dipeptide hydrolysis
Posted Date:-2021-06-25 22:29:58
Excretion rates of drugs vary greatly depending upon
1. type of drug
2.medical condition of the person who took the drug
3.Both A & B
4.time at which drug was taken
Posted Date:-2021-06-25 22:29:58
Function of Leghaemoglobin in nitrogen fixation _____
1.Absorption of oxygen
2. Nutrion of bacteria
3.Absorption of light
4.All
Posted Date:-2021-06-25 22:29:58
How many daughter cells are produced in mitosis?
1.2
2.4
3.8
4.None
Posted Date:-2021-06-25 22:29:58
In diseases like Polio the cells that get destroyed by virus are
1.Monocytes
2.Erythrocytes
3.Motor neurons
4. Sensory neurons
Posted Date:-2021-06-25 22:29:58
In exo-biology we study about ________
1.External structure of living beings
2.Life present on the earth
3.Life present in the other layer of earth atmosphere
4.Life found in space and on other satellite
Posted Date:-2021-06-25 22:29:58
In plants exchange of gases takes place through
1.Stomata
2.Palisade tissue
3.Spongy tissue
4.mid rib
Posted Date:-2021-06-25 22:29:58
In which of the following mammals estrous cycle is absent ?
1.Rabbit
2.Horse
3.Cow
4.Monkey
Posted Date:-2021-06-25 22:29:58
Lathyrism is caused by excess consumption of.......
1.Khesari Dal
2.Mustard oil
3.Mushrooms
4.Polished rice
Posted Date:-2021-06-25 22:29:58
Major fructose sources include
1. Fruit juices
2.Corn syrup
3.Honey
4. All of the above
Posted Date:-2021-06-25 22:29:58
Maximum fixation of solar energy is done by
1.Fungi
2.Protozoa
3.Bacteria
4.Green plants
Posted Date:-2021-06-25 22:29:58
Monocarpic plants are those that produce fruits ...............during the life of the plant
1.once
2.thrice
3.many times
4.twice
Posted Date:-2021-06-25 22:29:58
Nitrogen fixing bacteria is useful in growing which crop ________
1.Wheat
2.Paddy
3.Legume
4.Maiz
Posted Date:-2021-06-25 22:29:58
Oath taken by medical graduates is given by
1.Aristotle
2.Theophrastus
3.Hippocrates
4.Darwin
Posted Date:-2021-06-25 22:29:58
One reason the skeletal system is important is because
1. the skeletal system creates the connective tissue and tendons that allow the body to move
2. the skeletal system is responsible for controlling functions of the entire body
3.without the skeletal system an individual would not have enough calcium to live
4.the skeletal system is solely responsible for housing the body's immune system
Posted Date:-2021-06-25 22:29:58
Palaeobotany is the branch of botany is which we study about
1.Animal fosills
2.Plant fossils
3.Seed of plant
4.Flower
Posted Date:-2021-06-25 22:29:58
Phycology is the branch of botany in which we study about
1.Algae
2.Fungi
3.Ecology
4.Virus
Posted Date:-2021-06-25 22:29:58
Plants growing in sunlight are called
1.sciophytes
2.xerophytes
3.heliophytes
4.hydrophytes
Posted Date:-2021-06-25 22:29:58
Poison glands of snakes are homologous to
1.sebaceous glands of mammals
2. salivary glands of vertebrates
3.stings of rays
4.electric organs of fishes
Posted Date:-2021-06-25 22:29:58
Pollination is best defined as
1.growth of pollen tube in ovule
2.visiting flowers by insects
3.germination of pollen grains
4.transfer of pollen from anther to stigma
Posted Date:-2021-06-25 22:29:58
Shedding of leaves and fruits is due to the presence of hormone named
1.Indole - acetic acid
2. Naphthalene acetic acid
3.Gibberellins
4.Abscisic acid
Posted Date:-2021-06-25 22:29:58
The best eradication method for a major infestation is
1.Chemical
2.Bacteria
3.Fusion
4.None of the above
Posted Date:-2021-06-25 22:29:58
The correct order of events during meiosis is
1.prophase I metaphase I anaphase I telophase I cytokinesis meiosis II.
2.anaphase I telophase I prophase I cytokinesis meiosis II.
3.cytokinesis metaphase I anaphase I telophase I
4. telophase I prophase I cytokinesis meiosis II anaphase
Posted Date:-2021-06-25 22:29:58
The leaves used as wrappers for bides are obtained from which one of the following ?
1.Shikakai
2.Rudraksha
3.Tendu
4.Lemon grass
Posted Date:-2021-06-25 22:29:58
The water readily available to plants for absorption by roots is
1.Gravitational water
2.Rain water
3.Hygroscopic water
4.Capillary water
Posted Date:-2021-06-25 22:29:58
There are approximately how many muscles in Human body ?
1.206
2.310
3.554
4.700
Posted Date:-2021-06-25 22:29:58
Translation of the dna sequence AAGCTGGGA would result in
1.a DNA strand with the base sequence TTCGACCCT
2.an mRNA strand with the sequence TTCGACCCT
3.a sequence of three amino acids linked by peptide bonds
4.an mRNA strand with the sequence UUGCACCCU
Posted Date:-2021-06-25 22:29:58
Unlike Mitosis Meiosis results in the formation of
1.2N daughter cells
2. Haploid cells
3.body cells
4.Diploid cells
Posted Date:-2021-06-25 22:29:58
Variable number of tandem repeats (VNTRs) in the DNA molecule are highly useful in
1.Recombinant DNA technology
2.Monoclonal antibody production
3.Stemcell culture
4.DNA fingerprinting
Posted Date:-2021-06-25 22:29:58
Vitamins are
1. Macro Nutrients
2.Micro nutrients
3.Essential Amino acids
4.Non essential Amino acids
Posted Date:-2021-06-25 22:29:58
Water pollution of a river is measured by_______
1.Amount of chlorine dissolve in water
2.Amount of Ozone dissolve in water
3. Amount of nitrogen dissolve in water
4.Amount of oxygen dissolve in water
Posted Date:-2021-06-25 22:29:58
What is the shortest phase of the cell cycle?
1.M
2.G1
3.S
4.G2
Posted Date:-2021-06-25 22:29:58
What kingdom does Amoeba belong to
1.Plantae
2.Protista
3.Monera
4.Prokaryotae
Posted Date:-2021-06-25 22:29:58
Which observation proves that a cell is a eukaryote?
1. It contains DNA
2.It contains ribosomes
3.It has a cell membrane
4.It has DNA inside a nucleus
Posted Date:-2021-06-25 22:29:58
Which of the following cells do not contain nucleus? 1. Root hair cells 2. Red blood cells 3. Platelets 4. Monocytes Select the correct answer using the code given below.
1. 1 only
2. 2 and 3 only
3.1 2 and 4
4.2 3 and 4
Posted Date:-2021-06-25 22:29:58
Which of the following is an Abiotic factor?
1.Plants
2.Water
3.Consumers
4.Animals
Posted Date:-2021-06-25 22:29:58
Which of the following is an abnormal constituent of urine?
1.Creatinine
2.Uric acid
3.Glucose
4.Urea
Posted Date:-2021-06-25 22:29:58
Which of the following pairs is mismatched?
1.Hooke - cell theory
2. van Leeuwenhoek - germ theory
3.Lister - aseptic surgery
4.Jenner - vaccines
Posted Date:-2021-06-25 22:29:58
Which of the following plays an important part in photosynthesis?
1.Chloroplast
2.Centrosome
3.Tonoplast
4.Nematoblast
Posted Date:-2021-06-25 22:29:58
Which of the following vitamin helps in clotting of blood?
1.Vitamin K
2.Vitamin D
3. Vitamin B1
4. Vitamin B2
Posted Date:-2021-06-25 22:29:58
Which of these is not a function of the kidneys?
1. The kidneys regulate the plasma volume
2.The kidneys help to regulate blood pressure
3. The kidneys help control the rate of red blood cell production
4. The kidneys deactivate vitamin D and stimulate the activity of osteoclasts
Posted Date:-2021-06-25 22:29:58
Which type of Stem modification is seen in banana ?
1.Rhizome
2.Stem tuber
3.Corn
4.Bulb
Posted Date:-2021-06-25 22:29:58
Yellow color of urine is due to presence of
1.Bile juice
2.Urochrome
3.Lymph
4.Cholesterol
Posted Date:-2021-06-25 22:29:58