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35 questions · self-marked practice — reveal the answer and mark yourself.

Question 11 Mark
True or False : Waltor Sutton is the pioneer of modern genetics.
Answer
False Johann Gregor Mendel is the pioneer of modern genetics.
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Question 21 Mark
True or False : The theory of natural selection which mentions ‘Survival of fittest’ is given by Lamarck.
Answer
False. (The theory of natural selection which mentions ‘Survival of fittest’ is given by Darwin.)
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Question 31 Mark
True or False : The process of RNA synthesis is called translation.
Answer
False The process of RNA synthesis is called as transcription.
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Question 41 Mark
True or False : The decaying process of C-12 occurs continuously from the dead remains of living organisms.
Answer
False. (The decaying process of C-14 occurs continuously from the dead remains of living organisms. C-12 is not radioactive and hence it does not show decaying process.)
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Question 51 Mark
True or False : Ostwald Avery, Mclyn McCarthy and Colin Macleod proposed a model for process of protein synthesis with the help of DNA in bacterial cells
Answer
False French geneticists - Francois Jacob and Jack Monad proposed a model for process of protein synthesis with the help of DNA in bacterial cells.
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Question 71 Mark
True or False : Muscles of ear pinna, which are useful to hu- man, are useless in monkeys for movement of ear pinna.
Answer
False-Muscles of ear pinna, which are useless to human are useful in monkeys for movement of ear pinna.
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Question 81 Mark
True or False : Mesozoic era was dominated by variety of mammals.
Answer
False. (Mesozoic era dominated by variety of reptiles.)
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Question 91 Mark
True or False : It takes thousands of years for a useful structure to disappear.
Answer
False. (The useful structures of the body do not disappear. The functioning of the body is easier due to such organs. It takes thousands of years for a functionless organ to disappear.)
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Question 101 Mark
True or False : It seems that invertebrates have been slowly originated from vertebrates.
Answer
False. (Vertebrates have been slowly originated from invertebrates in course of evolution. The primitive type of organisms always give rise to complex life forms. The invertebrates from Palaeozoic era gradually gave rise to vertebrates.)
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Question 111 Mark
True or False : Information about protein synthesis is stored in the RNA.
Answer
False Information about protein - synthesis is stored in the DNA.
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Question 121 Mark
True or False : Industrial society was established about 200 years ago.
Answer
True. (After the development and specialization of human brain, he started indulging in science and technology. Before; this period the idea of industrialization was not existing.)
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Question 131 Mark
True or False : Humans walking with upright posture were confined to Africa only during prehistoric period.
Answer
False. (Humans walking upright existed in Africa and China, Indonesia of Asian continent too.)
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Question 161 Mark
True or False : Evolution is a gradual change occurring in living organisms over a long duration.
Answer
True
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Question 171 Mark
True or False : Each species grows in specific geographical conditions and has specific food, habitat, reproductive ability and period.
Answer
True. (Each species has specifically evolved characters due to evolution and speciation.)
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Question 181 Mark
True or False : Duckbill platypus is a connecting link between annelida and arthropoda.
Answer
False Peripatus is a connecting link between annelida and arthropoda.
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Question 191 Mark
True or False : Dr. Har Govind Khorana was awarded Nobel prize for his invention and publication in the journal Radio carbon.
Answer
False. (Willard Libby was awarded Nobel prize for his invention and publication in the journal Radio carbon.)
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Question 201 Mark
True or False : Complex proteins control various functions in the body of living organisms and their appear- ance too.
Answer
True
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Question 211 Mark
True or False : Changes acquired during life time are transferred to next generation.
Answer
False. (Changes acquired during life time are not heritable. They are not transferred to next generation. Only the genes are transferred to the next generation.)
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Question 221 Mark
True or False : Both the strands of DNA are used in the process of protein synthesis.
Answer
False Only one of the two strands of DNA are used in the process of protein synthesis.
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Question 261 Mark
Find An Odd One Out : Transcription,translation,translocation,transpiration.
Answer
Transpiration-Others are processes of complex protein synthesis
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Question 271 Mark
Find An Odd One Out : Long neck of Giraffe - Others are vestigial organs
Answer
Long neck of Giraffe-Others are vestigial organs
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Question 281 Mark
Name the Following : Vestigial organs in human beings:
Answer
Appendix, tail-bone or coccyx, wisdom teeth and body hair.
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Question 291 Mark
Name the Following : Three Scientists who proved that except viruses, all living organisms have DNA as genetic material.
Answer
Oswald Avery, Mclyn McCarthy and Colin MacLeod.
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Question 301 Mark
Name the Following : Important stages in the journey of human evolution:
Answer
  • Animals like Lemur
  • Egyptopithecus
  • Dryopithecus
  • Ramapithecus
  • Australopithecus
  • Skilled Human
  • Homo erectus i.e. Man with erect posture
  • Neanderthal man
  • Cro-Magnon man.
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Question 311 Mark
Name the Following : He called his concept as principle of 'use or dis- use of organs'.
Answer
Jean-Baptiste Lamarck
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Question 341 Mark
Name the Following : First record of human like animal in the form of ape from East Africa.
Answer
Ramapithecus
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Question 351 Mark
Name the Following : Example indicating that mammals are evolved from reptiles and amphibians from fishes.
Answer
Duck billed platypus. Lungfish
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