Unit 6: Reproduction — Online MCQ Test
BIOLOGY · NEET (All) · NEET
Practice Unit 6: Reproduction with a free chapter-wise online MCQ test.
This chapter covers: Sexual reproduction in flowering plants: Flower structure; Development of male and female gametophytes; Pollination-types agencies and examples; Outbreeding devices; Pollen-Pistil....
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Unit 6: Reproduction — Important Questions & Answers
Meiotic division of the secondary oocyte is completed:
- A. At the time of copulation
- B. After zygote formation
- C. At the time of fusion of a sperm with an ovum
- D. Prior to ovulation
Answer: C. At the time of fusion of a sperm with an ovum
The second meiotic division in the secondary oocyte is triggered to complete only when a sperm penetrates the zona pellucida during fertilization.
The second meiotic division in the secondary oocyte is triggered to complete only when a sperm penetrates the zona pellucida during fertilization.
In which of the following techniques, the embryos are transferred to assist those females who cannot conceive?
- A. GIFT and ZIFT
- B. ICSI and ZIFT
- C. GIFT and ICSI
- D. ZIFT and IUT
Answer: D. ZIFT and IUT
ZIFT (Zygote Intra Fallopian Transfer) and IUT (Intra Uterine Transfer) are techniques where the embryo is transferred into the female body.
ZIFT (Zygote Intra Fallopian Transfer) and IUT (Intra Uterine Transfer) are techniques where the embryo is transferred into the female body.
Match the following columns and select the correct option. Column I: (a) Placenta, (b) Zona pellucida, (c) Bulbo-urethral glands, (d) Leydig cells Column II: (i) Androgens, (ii) Human Chorionic Gonadotropin (hCG), (iii) Layer of the ovum, (iv) Lubrication of the Penis
- A. (1) (i) (iv) (ii) (iii)
- B. (2) (iii) (ii) (iv) (i)
- C. (3) (ii) (iii) (iv) (i)
- D. (4) (iv) (iii) (i) (ii)
Answer: C. (3) (ii) (iii) (iv) (i)
Placenta produces hCG (ii), Zona pellucida is the layer of the ovum (iii), Bulbo-urethral glands provide lubrication to the penis (iv), and Leydig cells produce androgens (i).
Placenta produces hCG (ii), Zona pellucida is the layer of the ovum (iii), Bulbo-urethral glands provide lubrication to the penis (iv), and Leydig cells produce androgens (i).
The first menstruation is called:
- A. Menopause
- B. Menarche
- C. Diapause
- D. Ovulation
Answer: B. Menarche
The first onset of menstruation at puberty is termed menarche.
The first onset of menstruation at puberty is termed menarche.
The amnion of mammalian embryo is derived from
- A. ectoderm and mesoderm
- B. ectoderm and endoderm
- C. mesoderm and trophoblast
- D. endoderm and mesoderm
Answer: A. ectoderm and mesoderm
The amnion is an extra-embryonic membrane derived from ectoderm (inner layer) and somatic mesoderm (outer layer). It forms the amniotic sac filled with amniotic fluid that protects the embryo.
The amnion is an extra-embryonic membrane derived from ectoderm (inner layer) and somatic mesoderm (outer layer). It forms the amniotic sac filled with amniotic fluid that protects the embryo.