Match Column I with Column II and select the correct option from the given codes. Column I Column II ( a ) Monoecious ( i ) Primula ( b ) Dioecious ( i i ) Maize ( c ) Cleistogamous ( i i i ) Date palm ( d ) Heterostyly ( i v ) Commelina

( a ) ( i i ) , ( b ) ( i i i ) , ( c ) ( i v ) , ( d ) ( i )

( a ) ( i i i ) , ( b ) ( i i ) , ( c ) ( i v ) , ( d ) ( i )

( a ) ( i i ) , ( b ) ( i i i ) , ( c ) ( i ) , ( d ) ( i v )

( a ) ( i ) , ( b ) ( i i ) , ( c ) ( i i i ) , ( d ) ( i v )

MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 25 - Sexual Reproduction in Flowering Plants>MCQS CORNER>Q 61

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In (i) condition, both male and female flowers are borne on same plant; an example of such plants is (ii).

(i) (ii)

(i) monoecious cucurbit

(ii) monoecious papaya

(iii) dioecious cucurbit

(iv) dioecious papaya

	(i)	(ii)
(i)	monoecious	cucurbit
(ii)	monoecious	papaya
(iii)	dioecious	cucurbit
(iv)	dioecious	papaya

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Important Questions on Sexual Reproduction in Flowering Plants

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 25 - Sexual Reproduction in Flowering Plants>MCQS CORNER>Q 62

Flowering plants have developed certain outbreeding devices to discourage self-pollination and encourage cross-pollination. One of these is not an example of such outbreeding device.

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 25 - Sexual Reproduction in Flowering Plants>MCQS CORNER>Q 63

Which of these is a condition that makes flowers invariably autogamous?

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 25 - Sexual Reproduction in Flowering Plants>MCQS CORNER>Q 64

Heterostyly as a contrivance for cross-pollination is found in ---------------------.

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 25 - Sexual Reproduction in Flowering Plants>MCQS CORNER>Q 65

Match Column I with Column II and select the correct option from the given codes.

	Column I		Column II
$(a)$	Monoecious	$(i)$	Primula
$(b)$	Dioecious	$(i i)$	Maize
$(c)$	Cleistogamous	$(i i i)$	Date palm
$(d)$	Heterostyly	$(i v)$	Commelina

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 25 - Sexual Reproduction in Flowering Plants>MCQS CORNER>Q 66

Which of the following labelled part of gynoecium determines the compatible nature of pollen?
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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 25 - Sexual Reproduction in Flowering Plants>MCQS CORNER>Q 67

Which part of the gynoecium receives the pollen?

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MTG OBJECTIVE NCERT AT YOUR FINGERTIPS BIOLOGY CLASS XI + XII>Chapter 25 - Sexual Reproduction in Flowering Plants>MCQS CORNER>Q 68

Refer to the given figure of egg apparatus showing entry of pollen tube into a synergid. Identify any two of the labelled parts and select the correct option.
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