Human milk differs from cow's milk in that it contains a
(1) Higher percentage of fat
(2) Higher percentage of carbohydrate
(3) Lower percentage of protein
(4) (2) and (3)
The substrate used for sperm metabolism is produced by the
1. prostate
2. seminal vesicle
3. Cowper's gland
4. testes
Which of the following hormones acts on the Sertoli cells to stimulate secretion of some factors which help in the process of spermiogenesis?
1. FSH
2. LH
3. Testosterone
4. GnRH
During parturition, the fetal ejection reflex triggers the release of:
1. | An increasing amount of estrogen and a decreasing amount of progesterone from the placenta |
2. | A decreasing amount of estrogen and an increasing amount of progesterone from the placenta |
3. | Oxytocin from the maternal pituitary |
4. | GnRH from the fetal hypothalamus |
Capacitation occurs in
(1) rete testis
(2) epididymis
(3) vas deferens
(4) female reproductive tract
Match column I with column II and select the correct option using the codes given below
Column 1 Column II
A. Mons pubis 1. Embryo formation
B. Antrum 2. Sperm
C. Trophectoderm 3. Female external genitalia
D. Nebenkern 4. Graafian follicle
Codes
A B C D
(a) 3 4 2 1
(b) 3 4 1 2
(c) 3 1 4 2
(d) 1 4 3 2
Several hormones like hCG, hPL, oestrogen, progesterone are produced by
(1) ovary
(2) placenta
(3) Fallopian tube
(4) pituitary
The DNA molecule to which the gene of interest is integrated for cloning is called:
1. | Transformer | 2. | Vector |
3. | Template | 4. | Carrier |
Pick up the wrong statement.
1. Cell wall is absent in Animalia.
2. Protista have photosynthetic and heterotrophic modes of nutrition.
3. Some fungi are edible.
4. Nuclear membrane is present in Monera.
A technique of micropropagation is
1. Somatic hybridisation
2. Somatic embryogenesis
3. Protoplast fusion
4. Embryo rescue