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. Ptylin is inactivated by a component of gastric juice called
A. Pepsin
B. HCl
C. Rennin
D. Mucus
2. Microfilaments are made up of
A. Fat
B. Protein
C. Carbohydrates
D. Nucleic acid
3. Name the process involve in multiplication phase of spermatogenesis ?
A. Mitotic
B. Meiosis
C. Amitosis
D. A and B
4. Function of suckers cell in liverflulke
A. Defense
B. Roproduction
C. Locomotion
D. Absorb nutrients
5. Which one is a correct pair ?
A. G2phase - Growth phase
B. M phase - Interphase
C. S phase - DNA synthesis
D. G1phase - RNA and DNA synthesis
6. Which of the following is a main respiratory substrate in animals
A. Fructose
B. Starch
C. Glucose
D. Proteins
7. Which structure ofblood is nucleated?
A. Erythrocytes
B. Leucocytes
C. Bloood platlets
D. Above all
8. Plants that have true root, stems, and leaves, as well as folwers and seeds enclosed in fruit are classified as
A. Bryophytes
B. Tracheophytes
C. Gymnosperms
D. Angiosperms
9. Ethylene is responsible for
A. Flowering
B. Disease in roots
C. Ripping of fruits
D. Formation of fruits
10. Complete metamorphosis occurs in
A. Silverfish
B. Bedbug
C. Moths and mosquitoes
D. grasshopper
11. Guttation is the process of elimination of water from plants through
A. Stomata
B. Hydathodes
C. Lenticels
D. Wounds
12. Mesoderm, one of the germ layers, gives rise to a group of structures in animals. Which group includes structures of exclusively mesodermal origin ?
A. skin. brain. bladder. vagina
B. muscle, outer layer of digestive tract, cartilage, bone
C. bone, lens of the eye, pars distalis. gall bladder
D. trachea, lungs, stomach, skin
13. Find out mismatched from the following
A. Lawn grass-runner
B. Mango-Grafting
C. Lemon-by embryo grafting
D. Bamboo-Grafting
14. What is provided to sperms by secretion of seminal vesicles ?
A. Nourishment
B. Activating
C. Lubricant
D. Both A and C
15. Alternative pathway for respiration is:
A. Photorespiration
B. Pentose phosphate pathway
C. C3 cycle
D. C4 cycle
16. What is the optimum temperature for growth of the plants ?
A. 25 to 30°C
B. 28 to 30°C
C. 0 to 30°C
D. 0 to 28°C
17. Cymose inflorescence is present in:
A. Sesbania
B. Trifolium
C. Brassica
D. Solanum
18. With the help of which quick cell division could be induced?
A. By T1 plasmid
B. PBR-32
C. F-speed
D. Bysexualplasmid
19. Which phase of conjugation is impossible in gametes ?
A. Post-fertilization phase
B. Fertilization phase
C. Pre-fertilization phase
D. Gamete phase
20. Blood vessels carrying blood from lungs to heart
A. Pulmonary artery
B. Pulmonary vein
C. Carotid artery
D. Coronary artery
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