Air sacs in most of the birds are
1.6
2.11
3.9
4.12
Posted Date:-2021-08-14 16:07:22
Air spaces in leaf comprises total volume of
1.40%
2.45%
3.50%
4.55%
Posted Date:-2021-08-14 16:07:22
All are paired facial bones except
1.maxilla
2.nasal
3.lacrimal
4.mandible
Posted Date:-2021-08-14 16:07:22
All are the deformities of skeleton caused by nutritional deficiencies except
1.osteomalacia
2.rickets
3.microcephaly
4.none of them
Posted Date:-2021-08-14 16:07:22
Bony fishes have brain with how many pair of cranial nerves?
1.10
2.11
3.14
4.12
Posted Date:-2021-08-14 16:07:22
Cohesion tension theory is given by
1.Morgan
2.Dixon
3.Robert
4.Sacks
Posted Date:-2021-08-14 16:07:22
Colour blindness is
1.x-linked recessive trait
2.y-linked recessive
3.y-linked dominant
4.x-linked dominant
Posted Date:-2021-08-14 16:07:22
DNA structure was first described by
1.Pasteur
2.Robert Koch
3.Watson and Crick
4.Carlous Linnaues
Posted Date:-2021-08-14 16:07:22
Female reproductive cycle is completed in
1.27 days
2.28 days
3.26 days
4.29 days
Posted Date:-2021-08-14 16:07:22
First complete seed appears in
1.cenozoic era
2.jurassic era
3.devonian era
4.carboniferous era
Posted Date:-2021-08-14 16:07:22
Genetic information is transmitted from DNA to
1.the sites of protein synthesis
2.proteins
3.amino acids
4.digestive enzymes
Posted Date:-2021-08-14 16:07:22
Haemodialysis means cleaning of
1.urine
2.blood
3.glomerular filterate
4.coelomic fluid
Posted Date:-2021-08-14 16:07:22
Highly intelligent mammals are
1.rat
2.bat
3.dolphin
4.elephant
Posted Date:-2021-08-14 16:07:22
In bud condition the upper surface of leaf shows more growth than lower surface in
1.epinasty
2.hyponasty
3.nutation
4.circumnutation
Posted Date:-2021-08-14 16:07:22
In class crustacea of phylum arthropoda sexes are
1.separate
2.hermaphrodite
3.separate and hermaphrodite both
4.none of them
Posted Date:-2021-08-14 16:07:22
Kelps belong to which phylum?
1.rhodophyta
2.chlorophyta
3.phaeophyta
4.pyrrophyta
Posted Date:-2021-08-14 16:07:22
Major cause of chlorosis in plants is shortage of
1.magnesium
2.sulphur
3.nitrogen
4.iron
Posted Date:-2021-08-14 16:07:22
Most cell membranes are composed principally of
1.DNA ad protein
2.protein and lipids
3.protein and chitin
4.protein and RNA
Posted Date:-2021-08-14 16:07:22
Most cells lacking a cell wall also lack
1.mitochandria
2.chloroplasts
3.a vacuole
4.a Golgi complex
Posted Date:-2021-08-14 16:07:22
Movement of cell against concentration gradient is called
1.active transport
2.osmosis
3.diffusion
4.both b and c
Posted Date:-2021-08-14 16:07:22
Normally, in the process of osmosis, the net flow of water molecules into or out of the cell depends upon differences in the
1.concentration of water molecules inside and outside the cell
2.concentration of enzymes on either side of the cell membrane
3.rate of molecular motion on either side of the cell membrane
4.none of these
Posted Date:-2021-08-14 16:07:22
One of the following is not a function of bones
1.support
2.production of blood cells
3.protein synthesis
4.muscle attachment
Posted Date:-2021-08-14 16:07:22
Plants absorb most part of water needed by them through their
1.stem
2.root hairs
3.leaf
4.bark
Posted Date:-2021-08-14 16:07:22
Pollination is best defined as
1.germination of pollen grains
2.transfer of pollen from anther to stigma
3.formation of pollen grains
4.none of these
Posted Date:-2021-08-14 16:07:22
Production of sweat and sebum is related with
1.skin
2.liver
3.lungs
4.GIT
Posted Date:-2021-08-14 16:07:22
Proteins are made from amino acids by the process of
1.hydrolysis
2.pinocytosis
3.dehydration synthesis
4.active transport
Posted Date:-2021-08-14 16:07:22
Red Blood Cells are produced by the
1.kidneys
2.Lungs
3.Bone Marrow
4.Lymph
Posted Date:-2021-08-14 16:07:22
Sodium ions are pumped from a region of lower concentration to a region of higher concentration in the nerve cells of humans. This process is an example of
1.diffusion
2.passive transport
3.osmosis
4.active transport
Posted Date:-2021-08-14 16:07:22
Super blue green algae or expensive pond scum contain __________ protein.
1.55%
2.75%
3.45%
4.60%
Posted Date:-2021-08-14 16:07:22
The anti-diuretic hormone acts on which part of nephron to cause re-absorption of water?
1.proximal convoluted tubule
2.loop of henle
3.collecting duct
4.distal convoluted tubule
Posted Date:-2021-08-14 16:07:22
The duration of G-2 phase is
1.10 hrs
2.30 min
3.9 hrs
4.4.5 hrs
Posted Date:-2021-08-14 16:07:22
The evaporative cooling in the respiratory tract of dogs is called
1.vasodilation
2.vasoconstriction
3.panting
4.all of these
Posted Date:-2021-08-14 16:07:22
The Hardy-Weinberg principle applies to
1.locomotion
2.population genetics
3.blood transportation
4.the cell theory
Posted Date:-2021-08-14 16:07:22
The initiation codon is
1.AGU
2.UAA
3.UAG
4.AUG
Posted Date:-2021-08-14 16:07:22
The lifespan of platelets is _________ days.
1.5
2.6
3.100
4.120
Posted Date:-2021-08-14 16:07:22
The most abundant element in the Earths atmosphere is
1.Oxygen
2.Nitrogen
3.Hydrogen
4.Carbondioxide
Posted Date:-2021-08-14 16:07:22
The most common rust fungi species are
1.ustilago
2.puccinia
3.aspergillus
4.penicillium
Posted Date:-2021-08-14 16:07:22
The number of thoracic vertebrae
1.7
2.12
3.9
4.5
Posted Date:-2021-08-14 16:07:22
The part of brain which is responsible for long term memory and learning is
1.hippocampus
2.medulla
3.amygdala
4.hypothalamus
Posted Date:-2021-08-14 16:07:22
The pH concentrations at which maltase is least effective are
1.1 and 7
2.1 and 14
3.7.5 and 14
4.10 and 14
Posted Date:-2021-08-14 16:07:22
The salt and water balance of the body fluid is maintain by the
1.Kidneys
2.Urinary bladder
3.Lymph
4.Chloroplasts
Posted Date:-2021-08-14 16:07:22
The small intestine consists of
1.duodenum, jejunum and ileum
2.duodenum, caecum and ileum
3.duodenum, jejunum and rectum
4.caecum, colon and rectum
Posted Date:-2021-08-14 16:07:22
When a single gene has multiple phenotypic effects the phenomena is called
1.pleiotropy
2.codominance
3.over dominance
4.epistasis
Posted Date:-2021-08-14 16:07:22
Whic from the following is the correct classification?
1.Kingdom ? Order ? Class ? Family
2.Kingdom ? Phylum ? Class ? Order
3.Kingdom ? Class ? Species ? Family
4.Kingdom ? Class ? Phylum ? Family
Posted Date:-2021-08-14 16:07:22
Which are the four most abundant elements in living cells?
1.carbon, oxygen, nitrogen, sulfur
2.carbon, oxygen, hydrogen, nitrogen
3.carbon, oxygen, sulfur, phosphorus
4.carbon, sulfur, hydrogen, magnesium
Posted Date:-2021-08-14 16:07:22
Which from the following is NOT the function of Enzymes?
1.speed up chemical reaction
2.digest food substances
3.involved in cellular respiration
4.maintain healthy epithelial tissues
Posted Date:-2021-08-14 16:07:22
Which is an organic compound found in most cells?
1.water
2.glucose
3.oxygen
4.sodium chloride
Posted Date:-2021-08-14 16:07:22
Which of the following is not an endotherm
1.bird
2.mammals
3.amphibian
4.insects
Posted Date:-2021-08-14 16:07:22
Which of the following is not sex-linked recessive
1.colour blindness
2.haemophilia
3.tfm syndrome
4.hypophosphatemic ricket
Posted Date:-2021-08-14 16:07:22
Which of the following pathogen type cause disease that can be treated with antibiotics?
1.bacteria
2.fungi
3.virus
4.none of these
Posted Date:-2021-08-14 16:07:22