Class 12 | Biology | chapter 4 | Reproductive Health

Which of the following sexually transmitted diseases is not completely curable? 1. Chlamydiosis 2. Gonorrhoea 3. Genital warts 4. Genital herpes

Ruhul Amin Alig

Class 12 | Biology | chapter 4 | Reproductive Health

Which one of the following is the most widely accepted method of contraception in India, as present? 1. Tubectomy 2. Diaphragms 3. IUDs (Intra Uterine Devices) 4. Cervical caps

Ruhul Amin Alig

Class 12 | Biology | chapter 2 | Sexual Reproduction in Flowering Plants

If the gametes are similar in their appearance they are called as A.Anisogametes B.Isogametes C.Homogametes D.Both B and C

Ruhul Amin Alig

Class 12 | Biology | chapter 1 | Reproduction in Organisms

Gamete formation always occurs in (i) Sexual reproduction. (ii) Asexual reproduction. (iii) Parthenogenesis. 1. (i) only 2. (i), (ii), (iii) 3. (i) and (iii) only 4. (i) and (ii) only

Ruhul Amin Alig

Class 12 | Biology | chapter 1 | Reproduction in Organisms

The most vital event of sexual reproduction is perhaps the fusion of gametes. This process called _________ results in the formation of a diploid _________. A. Syngamy, Zygote B. Fertilization, Zygote C. Copulation, Foetus D. Both A and B are true

Ruhul Amin Alig

STQ

Statement A - In seed plants, both male and female gametes are non-motile. Statement B - In spermatophytes, pollen grains are the carrier of male gametes. 1. Only statement A is correct. 2. Only statement B is correct. 3. Both statements A and B are incorrect. 4. Both statements A and B are correct

Ruhul Amin Alig