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Assertion. In apomixis , plants of new g...

Assertion. In apomixis , plants of new genetic sequence are produced.
Reason. In apomixis , two individuals of same genetic sequence meet .

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

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The correct Answer is:
D
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Given below are assertion and reason. Point out if both are true and reason is correct explanation (A), both are true but reason is not correct explanation (B), assertion is true but reason is wrong (C) and both are wrong (D). Assertion. In apomixis, plants of new genetic sequences are produced. Reason. In apomixis, individuals of same genetic sequence meet.

Mobile genetic sequences are called

Apomixis is deveolpment of new plant

Assertion :- Apomixis is a form of asexual reproduction that mimics sexual reproduction. Reason :- In apomixis there is formation of seed without fertilisation.

Crossing of two plants of unlike genetic characters in called:

Assertion : In plants, apomixis is a form of asexual reporduction that minics sexual reproduction. Reason : Apomixis involves the production of seeds without the fusion of gametes.

Genetically identical progeny is produced when the individual

Assertion (A): Any fragment of DNA, when linked to the ori region, can be initiated to replicate. Reason (R) : Ori is a genetic sequence that acts as the initiation site for replication of DNA.

Which of the following is correct about apomixis? I. An apomixis is a form of sexual reproduction. II. Apomixis is a mechanism to produce seeds without fertilization. III. Apomictic embryos are similar in their genetic nature. IV. Examples of apomixis are Citrus and mango.

TRUEMAN BIOLOGY-Plant Morphology & Reproduction -ASSERTION AND REASON
  1. [A]: Endosperm is tripolid in angiosperms. [R]: In gymnosperms, it ...

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  2. Assertion. A pollen grain of angiosperm is considered as the male game...

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  3. Assertion. In apomixis , plants of new genetic sequence are produced. ...

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  4. Assertion : In collateral vascular bundles phloem is situated toward ...

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  5. [A]: The secondary pholem consititutes a less poriment part of the tre...

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  6. [A] : The narrow band of meristemetic tissue present between pholem an...

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  7. [A]: The inner most distinict layer of the cortex is called endomermi...

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  8. [A]: Gramineoos type of stomata are found in Gramineae and Cyperaceae....

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  9. [A]: lntercellular spaces are found in mer-isematic cells (R]: The m...

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  10. [A]: Monocot stem has collateral open vascu- lar bundle. [R]: Open ...

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  11. [A]: Root system in hydrophytes is poorly de- veloped. [R]: The con...

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  12. [A]: Aerenchyma is a characteristic of litho- phyte. [R]: It is a sp...

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  13. [A]: Protostele is most simple primitive type of stele. [R]: Accordi...

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  14. [A]: Rubber is obtained from the latex of Hevea brasiliensis. [R]: B...

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  15. [A]: No fibres are found in plants. [R]: Xylem vessels are absent ...

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  16. [A]: Sclerenchyma cells are rarely found in plants. [R]: Sclerencym...

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  17. [A]: Hanstein's dermatogen is not eqyivalent to Haberlandt's Protoderm...

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  18. [A]: Trichomes may occur on all parts of a plant. [R]: Trichomes ei...

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  19. [A]: The vascular cambium is absent in monocots. [R]: The monocots ...

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  20. [A]: In the hydrophytes the Xylem is not differ- entiated into differe...

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