Interspecific hybrid "Tigon" is
(i) Sterile hybrid (ii) Fertile hybrid (iii) Male lion and female tiger (iv) Male tiger and female lion
Choose the correct statements

Q.

Choose the most appropriate answer.

(a) Internal fertilization occurs

(i) in female body.

(ii) outside female body.

(iii) in male body.

(iv) outside male body.

(b) A tadpole develops into an adult frog by the process of

(i) fertilization

(ii) metamorphosis

(iii) embedding

(iv) budding

(c) The number of nuclei present in a zygote is

(i) none

(ii) one

(iii) two

(iv) four

Q. Complete the following statement by choosing the correct alternative:
(i) Male copulatory organ ________________ . (clitoris, penis, vulva)
(ii) Female copulatory organ ________________ . (vulva, vagina, penis)
(iii) Fertilization occurs in ________________ . (uterus, oviduct, ovary)
(iv) Menstrual flow is a character is the feature of ________________ . (male, female, bulb)
(v) Sterlization in female is due to cutting off of ________________ . (ovary, uterus, oviduct)

Q. A liger is the offspring of a male lion and female tiger. Ligers are not found in the wild. Male ligers are sterile, and females have low fertility. This is evidence that

Q. Cite 2 cases of sterile and 2 cases of fertile interspecific hybrids .

Q. Fill the blanks in the following statements by selecting the correct option.
(i) All hybrids of poultry are produced by__________ inbred stocks.
(ii) Super hybrids are obtained when genetically ___________ parents are used in the cross.
(iii) A _________ is produed from a cross between female horse
(mare) and male donkey.