Q. 11. Transfer of an ovum collected from a donor into fallopian tube is called method.
(A) ZIFT
(B) ICSI
(C) GIFT
(D) IVF
Answer:
Explanation:
Q. 12. Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Leydig cells synthesise and secrete male testicular hormones called androgens.
Reason R: Androgens, stimulate the process of spermatogenesis.
In the light of the above statements, choose the most appropriate answer from the options given below:
(A) Both A and R are correct and R is the correct explanation of A
(B) Both A and R are correct and R is NOT the correct explanation of A
(C) A is correct but R is not correct
(D) A is not correct but R is correct
Answer:
Explanation:
Q. 13. The inactive protoxin gets converted into an active form due to the
(A) Alkaline pH of insect’s gut
(B) Temperature and acidic pH of gut
(C) Exposure to light
(D) Exposure to light and acidic pH of gut
Answer:
Explanation:
Q. 14. Which of the following gets embedded in the endometrium during implantation?
(A) Zygote
(B) Morula
(C) Blastocyst
(D) Embryo
Answer:
Explanation:
Q. 15. Introduction of which one of the following organisms/species did cause decline or extinction of indigenous species?
(A) Eicchornia Crassipes
(B) Nile Perch
(C) Clarias gariepinus
(D) Steller’s Sea cow
Answer:
Explanation: