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[A] : The mosses like liverworts , do no...

[A] : The mosses like liverworts , do not exhibit alternation of generation .
[R] : The adult gametophyte is conspicuous leafy green , photosynthetic plant in ferns .

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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Assertion : The adult gametophyte is the conspicuous leafy green , photosynthesis plant popularly called moss. Reason : The mosses, like liverworts, do not exhibit alteraction of generation .

Bryophytes exhibit two successive generations, gametophytes and sporophytes. These phases alternate each other. Name this phenomenon.

The life cycle of any sexually reproducting plant, there is an alternation of generation between (A)____ producing by haploid gametophyte and (B)____ producing by diplod Sporophyte.

A : Different plant groups show different patterns of life cycles. R : During life cycle there is alternation of genration between diploid gametophyte and haploid sporophyte.

The given graphs shows the productivity of an aquatic ecosystem measured in terms of dissolved oxygen produced and consumed by green plants and photosynthetic algae where PS=photosynthesis and R=respiration. What will happen during algal bloom? 1. PS will be increase, R will be decreased 2. PS will be decreased, R will be increased. 3. PS and R will not change. 4. PS+R will increase.

A fern differs from a moss in having : (a) ciliated antherozoids (b) an independent sporophyte (c) a dependent gametophyte (d) heteromorphic alternation of generations

In which of the following plant (s) dominant phase is the independent, photosynthetic, thalloid, dorsiventral haploid gametophyte which alternates with the short lived multicelled sporophyte totally dependent on gametophyte?

The chemical substance P is made and secreted by the meristematic tissue at the tip of stem (or shoot) of a plant. The chemical substance P is responsible for a phenomenon Q in plants in which the stem bends towards the source of light. The same chemical substance P has an opposite effect on the root of a plant. It causes the root of a plant to bend away from the source of light in a process called R. What is the general name of the chemical substance like P ? Name another substance which belongs to this class of chemical substances.

TRUEMEN BIOLOGY ENGLISH-(AIPMT(NEET Phase-1)-2016)(Conducted by CBSE on 01-05-2016)(Solved Paper)-MCQs
  1. [A] : The mosses like liverworts , do not exhibit alternation of gener...

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  2. In a testcross involving "F"(1) dihybrid flies, more parental-type off...

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  3. Water soluble pigment present in cell vascuole is

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  4. Which of the following pairs of hormones are not antagonistic (having ...

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  5. Mitochondria and chloroplast are (a) Semi-autonomous organelles (...

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  6. Which of the following is not a feature of the plasmids ?

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  7. A plant in your garden avoids photorespiratory losses, has improved wa...

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  8. Emerson's enhancement effect and red drop have been instrumental in th...

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  9. Which type of tissue correctly matches with its location

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  10. When does the growth rate of a population following the logistic model...

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  11. Which one of the following statements is not true ?

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  12. Which one of the following statements is wrong

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  13. The Avena curvature is used for bioassay of

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  14. Which of the following structures is homologus to the wing of a bird?

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  15. Blood pressure in the pulmonary artery is

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  16. Fertilization in humans is practically feasible only if

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  17. In meiosis crossing over is initiated at

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  18. Chrysophytes, Euglenoids, Dinoflaegellates and Slime moulds are includ...

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  19. Lack of relaxation between successive stimuli in striated muscle contr...

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  20. Identify the correct statement on 'inhibin'.

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  21. Name the chronic respiratory disorder caused mainly by cigarette smoki...

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