NEET Test Series from KOTA - 10 Papers In MS WORD
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PLANT KINGDOM(NCERT)
286703
The unique feature of bryophytes compared to other plant groups is that
1 they produce spores.
2 they lack vascular tissues.
3 they lack roots.
4 their sporophyte is attached to the gametophyte.
Explanation:
(d)In bryophytes, zygotes donot undergo reduction division immediately. They produce a multicellular body called a sporophyte. The sporophyte is not a free-living but attached to the photosynthetic gametophyte and derives nourishment from it.
NCERT Page-34 / N-29
PLANT KINGDOM(NCERT)
286704
In bryophytes, male and female sex organs are called and respectively.
1 microsporangia; macrosporangia
2 male strobili; female strobili
3 antheridia; archegonia
4 androecium; gynoecium
Explanation:
(c) In bryophytes, sex organs are of two types, male antheridium and female archegonium. They are multicellular and jacketed, i.e., covered by jacket of sterile cells.
NCERT Page-35 / N-29
PLANT KINGDOM(NCERT)
286695
A bryophyte suddenly started reproducing parthenogenetically. The number of chromosomes of the second generation compared to parent plant will be
1 same
2 double
3 one-half
4 triple
Explanation:
(a) The number of chromosomes of the second generation will be same because no reduction division take place.
286703
The unique feature of bryophytes compared to other plant groups is that
1 they produce spores.
2 they lack vascular tissues.
3 they lack roots.
4 their sporophyte is attached to the gametophyte.
Explanation:
(d)In bryophytes, zygotes donot undergo reduction division immediately. They produce a multicellular body called a sporophyte. The sporophyte is not a free-living but attached to the photosynthetic gametophyte and derives nourishment from it.
NCERT Page-34 / N-29
PLANT KINGDOM(NCERT)
286704
In bryophytes, male and female sex organs are called and respectively.
1 microsporangia; macrosporangia
2 male strobili; female strobili
3 antheridia; archegonia
4 androecium; gynoecium
Explanation:
(c) In bryophytes, sex organs are of two types, male antheridium and female archegonium. They are multicellular and jacketed, i.e., covered by jacket of sterile cells.
NCERT Page-35 / N-29
PLANT KINGDOM(NCERT)
286695
A bryophyte suddenly started reproducing parthenogenetically. The number of chromosomes of the second generation compared to parent plant will be
1 same
2 double
3 one-half
4 triple
Explanation:
(a) The number of chromosomes of the second generation will be same because no reduction division take place.
286703
The unique feature of bryophytes compared to other plant groups is that
1 they produce spores.
2 they lack vascular tissues.
3 they lack roots.
4 their sporophyte is attached to the gametophyte.
Explanation:
(d)In bryophytes, zygotes donot undergo reduction division immediately. They produce a multicellular body called a sporophyte. The sporophyte is not a free-living but attached to the photosynthetic gametophyte and derives nourishment from it.
NCERT Page-34 / N-29
PLANT KINGDOM(NCERT)
286704
In bryophytes, male and female sex organs are called and respectively.
1 microsporangia; macrosporangia
2 male strobili; female strobili
3 antheridia; archegonia
4 androecium; gynoecium
Explanation:
(c) In bryophytes, sex organs are of two types, male antheridium and female archegonium. They are multicellular and jacketed, i.e., covered by jacket of sterile cells.
NCERT Page-35 / N-29
PLANT KINGDOM(NCERT)
286695
A bryophyte suddenly started reproducing parthenogenetically. The number of chromosomes of the second generation compared to parent plant will be
1 same
2 double
3 one-half
4 triple
Explanation:
(a) The number of chromosomes of the second generation will be same because no reduction division take place.