Biology (NEST)
| Description: Objective type | |
| Number of Questions: 20 | |
| Created by: Avatara Chahal | |
| Tags: test 6 Reproduction in Animals Physiology of Animal and Man Sexual Reproduction Genetics and Evolution Endocrine System Ecology and Environment Structural Organisation in Animals and Plants Evolution |
Name the passage through which testis descend permanently into respective scrotal sacs during the seventh month of development.
Which of the following is an example of inheritance of skin colour in human beings?
Which of the following statements is/are true for vasa deferentia?
________ are about 2 cm long, thin walled tubules that pass through the prostate gland and open into the urethra.
Which hormone regulates the condition of the endometrium of the uterus?
Which of the following is/are the evolutionary link(s) between mammals and reptiles?
Which organism exhibits polarity in regeneration?
Name the glands that stimulate contraction in female reproductive tract and help the meeting of sperm and ovum in oviduct.
The enamel of a tooth is secreted by
_______ accumulates in the environment and may appear in the food chain.
The fallopian tube is supported by a double fold of peritoneum in
Which of the following organs acts as thermoregulator?
After ovulation, graffian follicle regresses into
In humans, placenta is
Which Mendelian law has the following concepts?
- Organisms inherit two alleles for each trait.
- When sex cells are produced (by meiosis), allele pairs separate, leaving each cell with a single allele for each trait.
Morphallaxis refers to
Which of the following is known as nurse cell?
Cardiac muscles are found in the
Name the organ which is responsible for filteration of blood and production of urine.
The lyctic enzyme released by a sperm is called