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प्रश्न
Complete the crossword puzzle using the hints given below.
Across
1. The process of the fusion of the gametes.
6. The type of fertilisation in hen.
7. The term used for bulges observed on the sides of the body of Hydra.
8. Eggs are produced here
Down
2. Sperms are produced in these male reproductive organs.
3. Another term for the fertilised egg.
4. These animals lay eggs.
5. A type of fission in amoeba.
उत्तर
Across
1. Fertilization
6. Internal
7. Buds
8. Ovary
Down
2. Testis
3. Zygote
4. Oviparous
5. Binary
APPEARS IN
संबंधित प्रश्न
Define Reproductive phase
The number of chromosomes in parents and offsprings of a particular species remains constant due to :
(a) doubling of chromosomes after zygote formation
(b) halving of chromosomes during gamete formation
(c) doubling of chromosomes after gamete formation
(d) halving of chromosomes after gamete formation
What is sexual reproduction? List its four significances.
Answer the following question.
Explain the following parts of male reproductive system along with labelled diagram showing these parts- Testis, vasa deferentia, epididymis, seminal vesicle, prostate gland and penis.
Long answer question.
Describe female reproductive system of human.
What is parthenogenesis? Give two examples from animals
______ is the first stage of sexual reproduction.
The zygote divides repeatedly into a group of cells, which develops into different tissues and organs constituting a full body. This structure is known as ______.
Justify the statement ‘Vegetative reproduction is also a type of asexual reproduction’.
Explain how stability of the DNA of the species is ensured in sexually reproducing organisms.
