Question

Question Bank Science and Technology Part 2 Q 1 A) Choose the correct option. 1) Transfer of information from molecules of DNA to mRNA is called _____ process. A. translocation B. translation C. transcription. D. differentiation 2) Similarities in initial stages indicate the _______ evidence. A. Connecting links B. Anatomical C. Embryological. D. Palaeontological 3) ______ is a vestigial organ in human beings. A. Wisdom teeth B. Ear muscles C. Body hairs D. All the above 4) Protein located in bones is ______. A. myosin B. melanin C. haemoglobin D. ossein 5) Which of the following vitamins is necessary for synthesis of NADH2 ? A. Vitamin B3 B. Vitamin C C. Vitamin B2 D. Vitamin K 6) _______ cells divide by mitosis. A. Somatic. B. Gametes C. Stem. D. Both A and C 7) The first step of karyokinesis is ________. A. anaphase B. telophase C. metaphase. D. prophase. 8) _________ is not a part of mitosis. A. Anaphase B. Diplatin C. Prophase D. Cytokinesis 9) We get _______ energy from lipids. A. 4 cal / gm. B. 9 cal/ gm C. 9 kcal/ gm. D. 4 kcal/gm. 10) In Humans there are ___ pairs of chromosomes. A. 22. B. 23 C. 44 D. 46 11) Which of the following is not a type of asexual reproduction in multicellular organisms? A. fragmentation B. regeneration C. Budding D. binary fission 12)Find the odd one out: A. Stigma B. Anther C. Style D. Ovary 13)At the time of birth , there are _________oocytes in the ovary of a female foetus. A. 1 to 2 million B. 2 to 3 million C. 2 to 4 million D. none of these 14) _________ modern remedial technique is used if there is a problem in implantation of embryo in the uterus. A. Surrogacy. B. Sperm bank C. In vitro fertilization. D. none of these. 15) Implantation of the embryo occurs in ________. A. uterus. B. overy C. oviduct. D. vagina​

Answer 1

Answer:

1) (c)transcription

2)(c)Embryological

3)(d)all the above

4)(d)Ossein

5)(a)vitamin B3

6)(d)Both a and c

7)(d)prophase

8)(b)diplatin

9)(b)9 cal/gm

10)(b)23

11)(d)binary

12)(b)anther

13)(c)2 to 4 million

14)(a)surrogacy

15)(a)uterus

Explanation:

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