Options:
- A. cytodplasm
- B. vacuoles
- C. mitochondria
- D. nucleus
View Answer
D. nucleus
Biology
If a man having blood group AB marries a woman who is heterozygous for blood group, what is the probability of their first child having blood group B?
Options:
- A. 40%
- B. 45%
- C. 50%
- D. 71%
View Answer
C. 50%
Rich source of energy in seimen is__________?
Options:
- A. glucose
- B. fructose
- C. lactose
- D. sacrose
View Answer
A. glucose
Outside the thallus of Marchantia there are special structures called__________?
Options:
- A. stem tuber
- B. rhizoids
- C. sporangium
- D. none of these
View Answer
B. rhizoids
A condition in which there is a decrease of oxygen to the tissue despite adequate blood flow to the tissue is_________?
Options:
- A. Aphasia
- B. Dysphasia
- C. Hypoxia
- D. None
View Answer
C. Hypoxia
Accurate name given to blood is ___________ ?
Options:
- A. Red fluid
- B. Hemoglobin
- C. Fluid tissue
- D. Plasma
View Answer
C. Fluid tissue
Sessile flowers have _________ ?
Options:
- A. No scent
- B. Irregular shape
- C. No pedicles
- D. No petals
View Answer
C. No pedicles
Which of the following represents osmoregulatory steps taken by hydrophytes?
Options:
- A. Increases transpiration by increasing the surface area of the leave.
- B. Small and thick leaves to decrease the surface area proportional to the volume of the leave.
- C. Stomata closing in sufficient supply, and opening in restricted supply of water.
- D. None of these
View Answer
A. Increases transpiration by increasing the surface area of the leave.
The distal blind end of the malpighian tubules bathes freely in____________?
Options:
- A. Digestive tract
- B. Intestines
- C. Haemocoel
- D. Coelom
View Answer
C. Haemocoel
Aquatic animals excrete nitrogenous waste commonly in the form of_____________?
Options:
- A. Ammonia
- B. Urea
- C. Uric acid
- D. Trimethylamine oxide
View Answer
A. Ammonia