Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Which one of the following mode of reproduction found in Cnidarians?
Sexual reproduction
Metagenesis
Asexual reproduction
Fragmentation
Choose the correct sequence of events of sexual reproduction in a flower.
Pollination→ fertilisation→ seedling →embryo
Seedling→ embryo→ fertilisation→ pollination
Pollination→ fertilisation→ embryo→ seedling
Embryo→ seedling→ pollination→ fertilization
Consider the following statements-
1) New plants are obtained from seeds in Asexual Reproduction.
2) New plants are obtained without seeds in Sexual Reproduction
Which of the above statements are true?
Only 1
Only 2
Both 1 & 2
None of these
Which of the following cause(s) variation in the genetic material of progeny?
1) Sexual reproduction
2) Asexual reproduction
3) Mutations
4) Epigenetic changes
Select the correct answer using the code given below.
2 only
1, 2 and 3
1, 3 and 4
1 and 3 only
Which of the following statement is/are correct about sexual reproduction in flowering plants.
1) The swollen bottom part of carpel is the ovary.
2) The fusion of germ cells gives rise to zygote.
3) Stamen is present in the centre of a flower.
4) Stamen produces pollen grains in the ovary.
2, 3 and 4 only
2 and 4 only
1, 2, 3 and 4 only