Biology Questions

Match List I with List II. List I A. ERV (Expiratory Reserve Volume) B. IRV (Inspiratory Reserve Volume) C. IRV (Inspiratory Reserve Volume) D. TV (Tidal Volume) List II I. 2500–3000 mL II. 500 mL III. 1000–1100 mL IV. 1100–1200 mL Choose the correct

The specific receptors for neurotransmitters in a synapse are present on ________.

Evolution of human appears parallel to the progressive development of brain and language skills as such, the evolution of individual species and their appearance is:

In a population of a grasshopper species, the chromosome number of some members is 23 and some other members possesses 24 chromosomes. The 23 and 24 chromosome-bearing members in this species are ________.

Select the set of fishes which belong to the class Osteichthyes.

Select the incorrect statements with reference to Rh grouping.

Spermatogonia undergo a series of cell divisions to produce sperms. Select the correct statements from the following.

Which of the following statements are correct with reference to human endoskeleton?

Choose the correct statement regarding GIFT to overcome infertility.

Choose the correct statements regarding muscle contraction.

There are five stages of the life cycle of Plasmodium. Arrange the stages in the proper order. A. The parasites reproduce asexually in RBCs bursting the cells. B. The parasites reproduce sexually in liver cells, bursting the cells and releasing into

Match List I with List II. List I A. Progesterone B. Multidrug 3′5′ C. Diaphragm D. Saheli List II I. Barrier made of rubber used by females II. Oral contraceptive III. Hormone releasing IUD IV. Copper releasing IUD Choose the correct answer from the

Match List I with List II with respect to chronology of evolution of life forms. List I A. About 665 mya B. About 500 mya C. About 350 mya D. About 320 mya List II I. Jawless fish probably evolved II. The dinosaurs suddenly disappeared from the earth

The WBC count of a person's blood sample is 8000/cu.mm. How many eosinophils would be approximately present in the same blood sample?

Match List I with List II. List I A. Nicotine B. Morphine C. Heroin D. Cocaine List II I. Causes sense of euphoria and increased energy II. Stimulates adrenal gland to release catecholamines into blood circulation III. Effective sedative and painkill

The human protein named α₁-antitrypsin, obtained from transgenic animals, is used for the treatment of:

Male frogs can be distinguished from female frogs due to the presence of:

The sixth mutant codon of beta globin gene causing polymerization of Haemoglobin and change in RBC shape is:

Match List I with List II. List I A. Cortisol B. Aldosterone C. Cholecystokinin D. Progesterone List II I. Stimulates the formation of alveoli in glands II. Promotes anti-inflammatory actions III. Stimulates reabsorption of Na⁺ and water from renal t

Choose the correct statements regarding frog's anatomy:

The JGA (Juxta Glomerular Apparatus) is a special sensitive region formed by cellular modifications in ________ related to the same nephron.

The toxin proteins isolated from Bacillus thuringiensis, coded by which of the following genes, would control cotton bollworms and corn borers, respectively?

The correct statements regarding cell organelles and their inclusions.

The correct statements regarding cell membrane in eukaryotic cell.

Match List I with List II related to muscular/skeletal system. List I A. Tetany B. Arthritis C. Myasthenia gravis D. Muscular dystrophy List II I. Inflammation of joints II. Autoimmune disorder affecting neuromuscular junction III. Ca²⁺ in body fluid

Which one of the following is an appropriate example of 'sexual deceit'?

Arrange the following cell layers/tissues around the female gamete, from outer to inner side. A. Zona pellucida B. Perivitelline space C. Corona radiata D. Plasma membrane of ovum Choose the correct answer from the options given below.

Which of the following depicts Verhulst-Pearl logistic population growth?

Match List I with List II. List I A. Streptokinase B. Statins C. Lipases D. Cyclosporin A List II I. Immunosuppressive agent II. Removal of clots from the blood vessels III. Blood cholesterol-lowering agent IV. Detergent formulations Choose the corre

The following reaction depicts the activity of a particular class of enzymes: [Image Here] Identify the enzyme class from the following options.

In humans, respiration occurs in the following steps. Arrange these steps in the correct order. A. Diffusion of O₂ and CO₂ between blood and tissues B. Diffusion of O₂ and CO₂ across alveolar membrane C. Pulmonary ventilation by which atmospheric air

In which animal do haploid cells divide mitotically to produce gametes?

Choose the correct statements regarding population interactions between two species.

Arrange the following events occurring in Renin Angiotensin mechanism in the correct order: A. Increase in blood pressure and Glomerular filtration rate. B. Reabsorption of Na⁺ and water from distal parts of tubule due to Aldosterone. C. Fall in Glom

Ecological pyramids represent the relationship between the organisms at different trophic levels and they are generally inverted for:

Non-membrane bound cell organelles found in both prokaryotic and eukaryotic cells are:

Which of the following is not an example of convergent evolution?

What is the reason behind production of large holes in Swiss Cheese?

Insertion of a foreign DNA at BamHI site in an E. coli cloning vector pBR322 results in the loss of antibiotic resistance towards:

Match List I with List II. List I A. Molluscs B. Reptiles C. Adult amphibians D. Amoeba List II I. Pulmonary respiration only II. Branchial respiration III. Cellular respiration IV. Pulmonary and cutaneous respiration Choose the correct answer from t

The probability of having children with 'O' blood group, where both mother and father are heterozygous for 'A' and 'B' blood group respectively is:

Which of the following statements are correct with respect to DNA separation, isolation and visualization?

Match List I with List II. List I A. Process (Glycolysis) B. ETS C. Accumulation of protons D. Krebs' cycle List II I. Mitochondrial membrane II. Mitochondrial matrix III. Cytoplasm IV. Intermembrane space Choose the correct answer from the options g

How many ATP and NADPH molecules are required to make one molecule of glucose through the Calvin pathway?

Identify the correct sequence of steps in each cycle of Polymerase Chain Reaction.

Match List I with List II. List I A. Incomplete dominance B. Codominance C. Pleiotropy D. Polygenic inheritance List II I. Human skin colour II. Inheritance of flower colour in Antirrhinum III. Multiple effects of a single gene IV. ABO blood grou0P C

Identify the correct statements about biomolecules.

Match List I with List II. List I A. Trypsin B. Morphine C. Concanavalin A D. Collagen List II I. Intercellular ground substance II. Lectin III. Enzyme IV. Alkaloid Choose the correct answer from the options given below.

Find the incorrect statement(s) among the following:

Which one of the following disorders is caused by the substitution of Glutamic acid (Glu) by Valine (Val) at the sixth position of the β-globin chain of haemoglobin molecule?