Advertisements
Advertisements
प्रश्न
The students of a class were asked by the teacher to study the different parts of an embryo of an angiosperm. Given below are the essential steps for the experiment :
A. Soak the seeds in plain water and keep them overnight.
B. Cut open the soaked seed and observe its different parts.
C. Take some healthy seeds in a petri-dish.
D. Drain the excess water, cover the seeds with a wet cotton cloth and leave them as it is for a day.
The correct sequence of these steps is
(a) C, A, D, B
(b) C, D, A, B
(c) A, C, D, B
(d) A, C, B, D
Advertisements
उत्तर
The correct sequence for this experiment should be
C→A→ D → B
Hence, the correct answer is option (a).
APPEARS IN
संबंधित प्रश्न
Sketch the reproductive parts of a flower.
Fill in the following blank with suitable word :
The ovule becomes a .......... after fertilisation.
In tobacco plant, the male gametes have 24 chromosomes.
What is the number of chromosomes in the zygote?
In what ways is fertilisation in a plant similar to fertilisation in a human?
Write the names of male and female reproductive parts of a flower.
__________ is present in unisexual flower.
Bisexual : Hibiscus : : Unisexual : ___________
In a flowering plant, archesporium gives rise to ______.
Conidia are formed endogenously while zoospores are formed endogenously.
In flowering plants, the pollen grains are transferred to stigma by pollination but the female germ cells are present in the ovary.
Explain with the help of a labelled diagram (only concerned parts), how the male germ cell reaches the ovary.
