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. During which of the following phase ofmitosis asters appear round the centrioles ?
A. Prophase
B. Metaphase
C. Anaphase
D. Telophase
2. A Codon is made up of
A. Single nucleotide
B. two nucleotides
C. three nucleotides
D. Four nucleotides
3. The larger cell of a pollen grain with irregular shaped nucleus is
A. Apical cell
B. Generative cell
C. Vegetative cell
D. Basal cell
4. Which one of the following is a matching pair of a certain body feature and its value count in a normal human adult ?
A. Urea-5-10 mg /100 ml of blood
B. Blood sugar fasting -70-100 mg/100ml
C. 3Total blood volume - 3-4 litres
D. ESR in Wintrobe method - 9-15 mm in males and 20-34 mm in females
5. Which of the following vitamins is synthesised in the body by intestinal bacteria?
A. Vitamin B1
B. Vitamin B4
C. Vitamin D
D. Vitamin K
6. In respiration, the oxygen is used in
A. Glycolysis
B. Krebs cycle
C. ETS
D. Fermentation
7. Passage cells are found in : Endodermis
A. Pericycle
B. Hypodermis
C. Epidermis
D. B
8. After entering RBC,Cl- reacts with....
A. K+
B. KHCO3
C. H.Hb
D. KHbO2
9. Which is the physical barrier method for familly planing in females ?
A. Condom for male
B. Condom for female
C. Diaphragm
D. Both B and C
10. My chorrhiza means....................
A. Symbiosis between fungus and plants
B. Symbiosis between plant and bacteria
C. Symbiosis between algae and fungus
D. Symbiosis betweenmichorrrhiza of fungus of water and bacteria
11. Which of the following structure shows the molecules?
A. Glucose
B. Fructose
C. Galactose
D. None of these
12. For the process of photosynthesis all except one of the following items are essential. Point out the exception
A. CO2 , optimum temperature
B. Glucose and oxygen
C. Water and minerals
D. Light and chlorophyll
13. Which metalis the main air pollutant in metro cities?
A. Lead
B. Copper
C. Magnesium
D. Iron
14. Total gain of energy in anaerobic respiration from one glucose molecule is
A. Two ATP
B. One ATP
C. Four ATP
D. Three ATP
15. The sweetest sugar is :
A. sucrose
B. glucose
C. fructose
D. lactose
16. The Plasmid derived from E.Coli is
A. PBR327
B. PBR322
C. Both A and B
D. None
17. Alburnum is
A. heart wood
B. sap wood
C. soft wood
D. none of the above
18. RQ for glucose carbohydrate is
A. 1
B. 0.5
C. 2
D. 0.05
19. Systemresulting from interaction of all the known living factors and populaton of all the species of a unit area is..
A. Ecology
B. Genetics
C. Science of plants and animal
D. Ecosystem
20. A Structure having blood vessels in hyaline cartilage is :-
A. Matrix
B. Perichondrium
C. Lacunae
D. Chondroblasts
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