whole topic biology
1. Artificial induction of roots on stems before it is seperated from the parent plant for propagation is called
A) cutting B) grafting C) Plant tissue culture D) root- stem joint E) layering
2. In the photosynthetic process, PS II absorbs energy at or just below
A. 680nm B. 860nm C. 880nm D. 780nm E. 608nm
3. A flower without the nonessential whorls is called
A. dioecious B. monoecious C. hermaphrodite D. achlamydeous E. Monochlamydeous
4. The pollination with the help of wind is termed as
A. cheiropterophily B. hydrophily C. ornithophily D. anemophily E. entemophily
5. In C4 plants, the primary CO2 acceptor is
A. PEP B. RUBP C. Oxalo acetic accid D. 3 - PGA E. BPRU
6. In some plants, particularly halophytes, the seeds germinate with the fruits while still attached to the parent
plant.Identify this phenominon from the following terms:
A. Vernalization B. Monocarpic C. Vivipary D. Seisonasty E. Halophytosis
7. When petals are free the corolla is called
A. Polypetalous B. Gamopetalous C. Polysepalous D. Gamosepalous E. Apocarpous
8. Which of the following is multinucleated ? A. Non - straited musscle B. Straited muscle
C. Renal tissue D. Nervous tissue E. Erythrocytes of reptiles
9. Nissle granules could be seen in
A. Neurons B. Myofibrils C. Gland cells D. Bone cells E. Eossinophils
10. The fats absorbed from the gut are transported to the blood in the from of
A. Liposomes B. Chemomricrons C. Chylomicrons D. Micelles E. Phagocytes
11. The volume of air breathed in and out during effortless respiration is referred to as.
A. Vital volume B. Residual volume C. Ideal volume D. Normal volume E. Tidal volume
12. Brunner’s glands are found in
A. Stomach B. Iluem C. Colon D. Duodenum E. Rumen
13. During CO2 transport, HCO3 diffuses from erythrocytes to plasma and in turn upsets the ionic equilibrium
momentarily. In order to keep the ionic balance , an equal number of C1- ions pass into the erythrocytes
from plasma . This proces isknown as A. Hamburger phenomenon B. Bicarbonate shift
C. Tranport rate D. Carbonation E. Carbo- chlorosis
14. The pace maker of the heart is
A.Bundle of His B. Purkinje fibres C. A V node D. Pacer cells E. SA node
15. The sliding filament theory of muscle contraction was proposed by
A. A.Pullman andB. pullman B. B. Pullman and A F Huxley C. AF Huxley and HE Huxley
D. A F Huxley and HE Pullman E. R.Hill and D. Arnon
16. In the nerve cells , the reversal of the resting potential is known as depolarization. This occurs due to
A. Influx of Na+ B. influx of K+ C. Influx of Ca2+ and Cl- D. Eflux of Na+
E. Eflux of Ca2+ and 2Cl-
17. The cyccle of reactionss by which muscle lactic acid is transformed to muscle glycogen is
A. Krebs cycle B. Cori cycle C. Glycolysis D. Glyco-lactic cycle E. Calvin cycle
18. During the ovulatory phase, the structure called corpus luteum is formed from
A. Endometrium B. Isogametes C. Epididymis D. Ruptured Graafian follicle E. Cowper’s glands
19. The contraction of one of the muscles rotates the forearm to turn the palm downward or backward.
Identfy the muscle from the following :
A. Pronator B. flexor C. Extensor D. Abductor E. Adductor
20 The cells which secrete male sex hormone testosterone are
A. Isthmus B.Crypt cells C. Lieberkihn D. Islets of Langerhans E. Leydig’s cellls