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. Pollen tube, entering in embryo sac has
A. 3 male gametes
B. 1 male gametes
C. 2 male gametes
D. 4 male gametes
2. One molecules of NADH+ H+ gives how manyATPs in ETS
A. 2 ATP
B. 3 ATP
C. 4 ATP
D. 6 ATP
3. Which parts are the vegetative organs of the flowering plants:
A. Root ,stem, flower
B. Leaves ,stem, fruits
C. Roots, leaves, flowers
D. Roots, stem, leaves
4. In which reproductive system plants, Animals & Fungi are differentiated morphologically, histologically, and physiologically ?
A. Asexual
B. Sexual
C. Vegetative
D. Artificial reproduction
5. At Which time interferon is secreted ?
A. Whenantibody reacts with antigen in our body
B. When serotonin become active
C. When lymphocytes become active
D. When our body cell's are infected by virus then that cell's secret this chemical
6. Respiratory substances are
A. Substances available from air
B. Nutritive substances present in food
C. Mineralelements
D. Excretory substances
7. Which is the most common bioinsecticide for the protection of cotton ?
A. Pyrethrin
B. Rotenone
C. Eicer
D. Bacillus thuringiensis
8. Which layer is not present in the teeth ?
A. Pulp
B. Dentin
C. Mucous
D. Crown
9. In maize stem, the peripherally located vascular bundle are normally :-
A. Large in size
B. Well organized
C. Small in size
D. Less organized
10. In which organ the growth of pollen tube is observed, till it reaches the ovule ?
A. Stalk
B. Style
C. Ovary
D. Stigma
11. The overall goal of glycolysis, Krebs cycle and electron transport systemis the formation of
A. ATP inone large oxidation reaction
B. Sugars
C. Nucleic acid
D. ATP in smallsteps
12. Which plant show movement from intense light to dimlight ?
A. Volvox
B. Lotus
C. Hydrilla
D. Plankton
13. Which physiological process is necessary for birth, growth, death, production of offspring and for continuity of the species ?
A. Digestion
B. Transportation
C. Reproduction
D. Nutrition
14. In which method rotary shaker is used ?
A. Embryo culture
B. Biofortification
C. Suspension culture
D. Symbiosis
15. Increase in number of leucocytes beyond normal indicates
A. Anemia
B. Infection
C. Increased defense against pathogen
D. Non formation of RBC
16. A community includes
A. a group of same genera
B. a group of same population
C. a group of individuals from same species
D. different populations interacting with each other
17. In menstrual cycle on which days rises progesterone levels ?
A. 1 to 5 days
B. 6 to 14 days
C. 14 to 15 days
D. 15 to 28 days
18. Erythrose monophosphate (4C) is formed during
A. CAM pathway
B. C4 pathway
C. Conversion offructose to glucose
D. Regeneration of RuBP
19. Which of the following is trophic level of the orchid staying on mango tree ?
A. First
B. Tertiary/ Third
C. Second
D. Fourth
20. Stemis verymuch reduced in:
A. Tuber
B. Bulb
C. Corm
D. Rhizome
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