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Pick out the correct statement (I) Hae...

Pick out the correct statement
(I) Haemophilia is a sex-linked recessive disease
(II) Down's syndrome is due to aneuploidy
(III) Phenylketonuria is an autosomal recessive gene disorder
(IV) Sickle-cell anaemia is an X-linked recessive gene disorder

A

(a), (b) and (c) are correct

B

(a) and (d) are correct

C

(b) and (d) are correct

D

(a), (c) and (d) are correct

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Study the four statement (i-iv) given below and select the two correct ones out of them (i) A lion eating a deer and a sparrow feeding or grains are ecologically similar in being consumers. (ii) Predator star fish Pisaster helps in maintaining species diversity of some invertebrates (iii) Predators ultimately lead to the extinction of prey species (iv) Production of chemicals such as nicotine, strychnine by the plants are metabolic disorders The two correct statements are

study the four statements given below and select the two correct ones out of them (i) A lion eating a deer and a sparrow feeding on grains are ecologially similar in being consumers. (ii) Predator star fish Pisaster helps in maintaining species diversity of some invertebrates. (iii) Predators ultimately lead to the extinction of prey species. (iv) Production of chemicals such as nicotine, strychnine by the plants are metabolic disorder. The two correct statements are

Go though the following statements (i) Meselson & stahl used cesium chloride density gradient to distinguish heavy DNA molecules from the normal DNA molecules. (ii) In meselson & Stahl experiment the DNA that was extracted from the culture one generation after the transfer from .^(15)N to .^(14)N , was composed of equal amount of hybrid (intermediate) DNA and of light DNA. (iii) In prokaryotes, control f the rate of transcriptional initiation is the predominant site for control of gene expression. (iv) In lac operon, the repressor is synthesised only at the time when the level of metabolite is in excess. Find out the correct statements?

Go through the following statements: (i) In RNA the uracil is found in place of 5-methyl uracil (ii) A nitrogenous base is linked to the pentose sugar through an N-glycosidic linkage to form a nucleoside (iii) Two nucleotides are linked through 3'-5' phosphodiester linkage to form a dinucleotide. (iv). The length of double DNA helix in a typical mammalian cell is approximately 3.2 metres. find out the correct statement

Haemophilia is a sex linked recessive disorder of humans. The pedigree chart given below shows the inheritance of Haemophilia in one family. Study the pattern of inheritance and answer the questions given. (a) Give all the possible genotypes of the members 4, 5 and 6 in the pedigree chart. (b) A blood test shows that the individual 14 is a carrier of haemophilia. The member numbered 15 has recently married the member numbered 14. What is the probability that their first child will be a haemophilic male ? Show with the help of Punnett square.

TRUEMAN BIOLOGY-(AIPMT(NEET Phase-1)-2016)(Conducted by CBSE on 01-05-2016)(Solved Paper)-MCQs
  1. Which of the following is wrongly matched in the given table ?

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  2. Which blood vessel has the largest amount of urea ?

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  3. Pick out the correct statement (I) Haemophilia is a sex-linked reces...

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  4. Which of the following guards the opening of hepatopancreatic duct int...

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  5. Microtubules are the constituents of

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  6. Coconut water from a tender coconut is

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  7. Tricarpellary syncarpous gynoecium is found in flowers of

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  8. Which of the following is not a stem modification

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  9. The taq polymerase enzyme is obtained from

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  10. Stems modlfted into flat green organs performing the functions of leav...

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  11. In higher vertebrates, the immune system can distinguish self-cells an...

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  12. Nomenclature is governed by certain universal rules. Which one of the ...

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  13. In bryophytes and and pteridophytes, transport of male gametes require...

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  14. In context of Amniocentesis, which of the following statement is incor...

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  15. In the stomach, gastric acid is secreted by the

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  16. Spindle fibres attach on to

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  17. Which is the National Aquatic Animal of India

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  18. Which one of the following cell organelles is enclosed by a single mem...

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  19. The two polypeptides of human insulin are linked together by

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  20. In which of the following, all three are ma- cronutrients

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