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Reproduction In Organisms

Question
CBSEENBI12003450
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Which of the following is correct?

  • All fungi are filamentous.

  • Transfer of DNA from one bacteria to another bacteria cannot take place

  • Virus cannot have both DNA and RNA

  • Protists reproduce asexually only

Solution

C.

Virus cannot have both DNA and RNA

Virus is a nucleoprotein entity which is able to utilize the synthetic machinery of a living cell of another organism for its multiplication which does not involve growth and division.The nucleic acid is either DNA or RNA but never both. DNA containing viruses are called deoxyviruses while RNA containing viruses are termed as riboviruses.

Some More Questions From Reproduction in Organisms Chapter

Assertion: A middle aged woman is reported to have small breasts and undersized uterus.

Reason: Her genotypic analysis shows XO condition of allosomes.

Which of the following statements is correct ?
1. Common cold- Droplet Infection.
2. Typhoid - Contaminated food & water.
3. AIDS- Shaking hands.
4. Ringworm - Using infected towels.

Which of the following statements is correct

Which of the following is a cloning vector?

Starting from the maximum, arrange the following male reproductive accessory organs in the correct order, based on the amount of secretion poured into urethra.
(i) Prostrate gland
(ii) Seminal vesicle
(iii) Bulbourethral gland

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