TRUE OR FALSE. IF TRUE SHADE A IF FALSE SHADE B 1. Some viruses have beneficial

Question

TRUE OR FALSE. IF TRUE SHADE A IF FALSE SHADE B 1. Some viruses have beneficial effects. ? 2. The complete viral particle is known as a virion. tic material betweern Horizontal gene transfer is the movement of genetic organisms other than by descent 3. 4. Hermaphrodites cannot self- fertilize. um 5. Embryonic torsion occurs in the class cephalopoda of the Phy Mollusca 6. Pathenogenesis is the process by which unfertilized eggs develop into (often) haploid adults. 7. Sexual reproduction produces more numerous offsprings in a short period than asexual reproduction. 8. Fragmentation is the braking of the body of an organism into several pieces some or all of which develop into complete adult. 9. The nutrient in a developing plant embryo is the endosperm. 10. Bacteria form endospores in order to overcome harsh conditions. 11.Lignin is a tissue in plants that reinforces the conducting vessels to enable the plant stand firm. 12. Alexander Flaming discovered the art of vaccination. 13.Organisms that depend on organic molecules into to manufacture energy are known as autotrophs 14. Chordates such as reptiles that incapable of regulating their body temperatures are said to be cold-blooded. 15. Human do not communicate by means of pheromones under any condition 16. Viral diseases can be treated using modern day antibiotics. 17.Tuberculosis is caused by a viral infection. 18. All plants have a tap-root 19.All bacteria have deleterious effect.

Explanation / Answer

1. true

2. True

4. False.The can self fertilize as they have both the male and female organ

6. True

7. False. Asexual reproduction produces more number of offsprings.

8. True

9.True

10. True

11. True

12. False. LOUIS PASTEUR developed the art of vaccination

17. False. Tuberculosis is a bacterial infection.

18. False. Plants have both tap and fibrous root

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