Test Your Knowledge - Free MCQ PRACTICE
by Saksham Chaudhry : Paschim Vihar, New Delhi 110063 T: 1142316457, 9810570740
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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. The first land plant on earth was
A. Bryophytes 
B. Pteridophytes  
C. Gymnosperms 
D. Angiosperms 

2. During strenous exercise,glucose is converted into
A. Glycogen  
B. Pyravic acid  
C. Starch  
D. Lactic acid 

3. For maintanance of osmoregulation by animals where urea is sored?
A. Medulla of Kidney  
B. Cortex of Kidney  
C. Renalof pelvis  
D. Renal artery 

4. Due to natural lightening ..
A. Modify from ZNO3 to N2 
B. N2 is converted into nitrate 
C. To increase activity of Reductive Amination 
D. Nitrate is converted into Nitrite 

5. Donor and acceptor of electrons is the same chlorophyll molecule in
A. Photorespiration 
B. Non-cyclic photophosphorylation 
C. Cyclic phtophosphorylation  
D. Substrate level phosphorylation  

6. Which living organism is seen in the hot water spring having temperature more than 100??C .
A. Methanogens  
B. Thermoacidophils 
C. Helophytes  
D. Spirokit 

7. How much lower the temperature of scrotal sac as compare to the normal bodytemperature ?
A. 3oc  
B. 4oc  
C. 5oc  
D. 6oc 

8. Earlier which animals were used to test the safety of Polio Vaccine
A. Transgenic rat  
B. Transgenic pigs 
C. Transgenic sheep 
D. Transgenic mice  

9. The length of human trachea is about
A. 6 inches  
B. 12 cm  
C. 12 inches  
D. 18 cm 

10. Mammary gland are found in
A. Aves 
B. Mammalia 
C. Amphibian 
D. Reptilc 

11. The source of somatostatin is same as that of
A. Thyroxine and calcitonin 
B. Vasopresin and oxytocin 
C. Insulin and glucagon 
D. Somatotropin and prolactin 

12. Plant embryo is a mass of -
A. Cells  
B. Uncertain tissue 
C. Collection of plant tissues  
D. Miniature plant 

13. A place of collection of dried plant specimens is----
A. Arbarium  
B. Herbarium  
C. Botanical Garden  
D. All above 

14. The space between plasma membrane and cellwall of aplasmolysed cell surrounded bya hypertonic solution is occupied by
A. Isotonic solution  
B. Hypotonic solution 
C. Hypertonic solution  
D. Water 

15. The number of teeth that grow twice in the human life is
A. 4  
B. 12  
C. 20  
D. 28 

16. What is Guanine?
A. Purine  
B. Hormone  
C. Enzyme 
D. Pyrimidine 

17. It increases excretion of ca+2 in the kidney
A. Prostaglandin  
B. Renin  
C. Thyrocalcitonin  
D. Angiotensin 

18. Which one is a correct pair ?
A. G2phase - Growth phase  
B. S phase - DNA synthesis 
C. G1phase - RNA and DNA synthesis 
D. M phase - Interphase  

19. Rothmelur has diveded the Bryophytes into
A. 3 classes 
B. 4 classes  
C. 5 classes 
D. 6 classes 

20. Graffian follicle after ovulation produces glandular body, it is called ...
A. Graffian follicle  
B. Corpus luteum 
C. Mass of graffion follicle  
D. A and B 

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