A fresh set of 20 random questions is generated every time you open this page and every time you refresh it.For each of the following multiple choice questions, choose the most appropriate answer :
1. For reaching left side of heart, blood must pass through
A. Liver
B. Kidneys
C. Lungs
D. Brain
2. The secondary structure of protein means
A. The flat and sheet like polypeptide chain
B. The helically coilde like polypeptide chain
C. The folding of polypeptide chain due to the presence of hydrogen bond
D. All these
3. Formation of ATP occurs
A. In outer mitochondrial membrane
B. On F1 particles
C. Mitochondrial matrix
D. Inmitochondrial DNA
4. Which gametes take part in sexual reproduction ?
A. Male gametes
B. Female gametes
C. Neutral gametes
D. Both A and B
5. Bundle sheath chloroplast of C plants are
A. Large and agranal
B. Large and granal
C. Small and granal
D. Smalland agranal
6. The hydrogen bonds between adenine and guanine are
A. 2
B. 3
C. 1
D. 0
7. Secretion of renin from JG cell is due to
A. A fall in glomerular blood flow
B. glomerular blood pressure
C. GFR
D. Allof these
8. The term 'karyokinesis' is used for...
A. Disappearance of nuclear mimbrane during metaphase
B. Changes occuring at anaphase, when chromosomes move to the opposite poles
C. Event occuring during interphase
D. Over all changes occurring in nucleus during the cell division
9. Which compound captures light energy in plants?
A. Oxygen
B. Carbon dioxide
C. Water
D. Chlorophyll
10. A kidney stone is
A. Blockage by fats
B. Desposition of sand in kidney
C. A salt such as Oxalate crystallised in pelvis
D. Blockage by proteins
11. At high temperature proteins are:
A. Destroyed
B. inactive
C. denatured
D. A or B
12. This is the largest phylumofAnimal on the earth
A. Mollusca
B. Amphibia
C. Arthropoda
D. Aves
13. The vital centers for control of heart rate, respiratory rate, and blood pressure are located in the
A. cerebellum
B. medulla
C. pons
D. midbrain
14. Pepsinogen is activated by (A)Chymotrypsin
A. Trypsin
B. HCl
C. Pepsin
D. B
15. Which is currency of the energy
A. ATP
B. NAD
C. FAD
D. Glucose
16. Which scientist has classified species diversity ?
A. Thoeprestus
B. Lineus
C. Whittaker
D. Treshaw
17. Phosphorylation means
A. Formation of reduced coenzymes
B. Formation of PGA
C. Formation ofATP
D. Breakdown of ATP
18. What is enzyme?
A. All proteinswhich are in all living cell
B. Chemicals which act as biological catalysts
C. All amino acid which arein polypeptidechain
D. All above
19. What is cause of exophthalmic goiter?
A. Less secretion of thyroid
B. Under secretion of parathyroid
C. Oversecretionof parathroid
D. Oversecretion of thyroid
20. Respiration type occurring in human red blood corpuscles is
A. Anaerobic
B. Aerobic
C. Both Aand B
D. Fermentation
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