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CBSE Notes 2011-2012 » X-Science-Term2

How Do Organisms Reproduce ?

Length of pollen tube depends on the distance between

Multiple choice question

Length of pollen tube depends on the distance between

Which of the following statements are true for flowers ? (i) Flowers are always bisexual (ii)They ar...

Multiple choice question

Which of the following statements are true for flowers ?
(i) Flowers are always bisexual
(ii)They are the sexual reproductive organs
(iii)They are produced in all groups of plants
(iv)After fertilisation they give rise to fruits

In the list of organisms given below, those that reproduce by the asexual method are (i)...

Multiple choice question

In the list of organisms given below, those that reproduce
by the asexual method are (i) banana (ii) dog
(iii) yeast (iv) Amoeba

Which among the following statements are true for unisexual flowers ? (i) They possess both stamen a...

Multiple choice question

Which among the following statements are true for
unisexual flowers ?
(i) They possess both stamen and pistil
(ii)They possess either stamen or pistil
(iii)They exhibit cross pollination
(iv)Unisexual flowers possessing only stamens cannot
produce fruits

In a flower, the parts that produce male and female gametes (germ cells) are

Multiple choice question

In a flower, the parts that produce male and female gametes
(germ cells) are

Which among the following statements are true for sexual reproduction in flowering plants ? (i) It r...

Multiple choice question

Which among the following statements are true for sexual
reproduction in flowering plants ?
(i) It requires two types of gametes
(ii) Fertilisation is a compulsory event
(iii)It always results in formation of zygote
(iv)Offspring formed are clones

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