NEET Test Series from KOTA - 10 Papers In MS WORD
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BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341932
Assertion : Meiosis is the cell division which occurs in the sexually reproducing organisms. Reason : Meiotic cell division results into two cells having exactly same genetic makeup.
1 Both Assertion and Reason are true and Reason is correct explanation of Assertion.
2 Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
3 Assertion is true but Reason is false.
4 Both Assertion and Reason are false.
Explanation:
Meiotic cell division results into four cells having exactly same genetic makeup.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341933
Diameter of pollen grain is
1 \(20 - 40\ {\rm{\mu m}}\)
2 \(25 - 50\ {\rm{\mu m}}\)
3 \(30 - 80 {\rm{\mu m}}\)
4 \(0 - 50 {\rm{\mu m}}\)
Explanation:
Pollen grains are generally spherical measuring about 25-50 micrometers in diameter.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341934
Rice pollen grains are viable for
1 6.0 mins
2 30 mins (approx)
3 60 mins (approx)
4 90 mins
Explanation:
In some cereals such as rice and wheat, pollen grains lose viability within 30 minutes of their release.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
342014
Typical angiospermic anther is
1 Monothecous
2 Dithecous
3 Monosporangiate
4 Bisporangiate
Explanation:
A typical angiosperm anther is bilobed with each lobe having two theca, i.e., they are dithecous.
341932
Assertion : Meiosis is the cell division which occurs in the sexually reproducing organisms. Reason : Meiotic cell division results into two cells having exactly same genetic makeup.
1 Both Assertion and Reason are true and Reason is correct explanation of Assertion.
2 Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
3 Assertion is true but Reason is false.
4 Both Assertion and Reason are false.
Explanation:
Meiotic cell division results into four cells having exactly same genetic makeup.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341933
Diameter of pollen grain is
1 \(20 - 40\ {\rm{\mu m}}\)
2 \(25 - 50\ {\rm{\mu m}}\)
3 \(30 - 80 {\rm{\mu m}}\)
4 \(0 - 50 {\rm{\mu m}}\)
Explanation:
Pollen grains are generally spherical measuring about 25-50 micrometers in diameter.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341934
Rice pollen grains are viable for
1 6.0 mins
2 30 mins (approx)
3 60 mins (approx)
4 90 mins
Explanation:
In some cereals such as rice and wheat, pollen grains lose viability within 30 minutes of their release.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
342014
Typical angiospermic anther is
1 Monothecous
2 Dithecous
3 Monosporangiate
4 Bisporangiate
Explanation:
A typical angiosperm anther is bilobed with each lobe having two theca, i.e., they are dithecous.
341932
Assertion : Meiosis is the cell division which occurs in the sexually reproducing organisms. Reason : Meiotic cell division results into two cells having exactly same genetic makeup.
1 Both Assertion and Reason are true and Reason is correct explanation of Assertion.
2 Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
3 Assertion is true but Reason is false.
4 Both Assertion and Reason are false.
Explanation:
Meiotic cell division results into four cells having exactly same genetic makeup.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341933
Diameter of pollen grain is
1 \(20 - 40\ {\rm{\mu m}}\)
2 \(25 - 50\ {\rm{\mu m}}\)
3 \(30 - 80 {\rm{\mu m}}\)
4 \(0 - 50 {\rm{\mu m}}\)
Explanation:
Pollen grains are generally spherical measuring about 25-50 micrometers in diameter.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341934
Rice pollen grains are viable for
1 6.0 mins
2 30 mins (approx)
3 60 mins (approx)
4 90 mins
Explanation:
In some cereals such as rice and wheat, pollen grains lose viability within 30 minutes of their release.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
342014
Typical angiospermic anther is
1 Monothecous
2 Dithecous
3 Monosporangiate
4 Bisporangiate
Explanation:
A typical angiosperm anther is bilobed with each lobe having two theca, i.e., they are dithecous.
341932
Assertion : Meiosis is the cell division which occurs in the sexually reproducing organisms. Reason : Meiotic cell division results into two cells having exactly same genetic makeup.
1 Both Assertion and Reason are true and Reason is correct explanation of Assertion.
2 Both Assertion and Reason are true but Reason is not the correct explanation of Assertion.
3 Assertion is true but Reason is false.
4 Both Assertion and Reason are false.
Explanation:
Meiotic cell division results into four cells having exactly same genetic makeup.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341933
Diameter of pollen grain is
1 \(20 - 40\ {\rm{\mu m}}\)
2 \(25 - 50\ {\rm{\mu m}}\)
3 \(30 - 80 {\rm{\mu m}}\)
4 \(0 - 50 {\rm{\mu m}}\)
Explanation:
Pollen grains are generally spherical measuring about 25-50 micrometers in diameter.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
341934
Rice pollen grains are viable for
1 6.0 mins
2 30 mins (approx)
3 60 mins (approx)
4 90 mins
Explanation:
In some cereals such as rice and wheat, pollen grains lose viability within 30 minutes of their release.
BIOXII02: SEXUAL REPRODUCTION IN FLOWERING PLANTS
342014
Typical angiospermic anther is
1 Monothecous
2 Dithecous
3 Monosporangiate
4 Bisporangiate
Explanation:
A typical angiosperm anther is bilobed with each lobe having two theca, i.e., they are dithecous.
