Identify the incorrect match
Mulberry silk - Bombyx mori
Tasar silk - Antheraea pernyi
Muga silk - Antheraea assama
Eri silk - Attacus ricini
All chordates at one or other stage possess
two pairs of pentadactyl limbs
pharyngeal gill slits
movable jaw
vertebral column
Statement I:- An injury to the anterior pituitary affects the growth of a person.
Statement II:- Injury to adrenal cortex is not likely to affect secretion of cortisol.
Choose the correct option
Statement I is correct but II is incorrect
Statement II is correct but I is incorrect
Both statement are correct
Both statements are incorrect
Mammals have
biconvex RBCs to increase the surface area
biconcave RBCs to increase the surface area
spherical RBCs to increase the surface area
no RBCs
B.
biconcave RBCs to increase the surface area
RBCs of all mammals are mostly biconcave and circular (except camel and llama RBCs, which are oval). Mature mammalian RBCs do not have cell organelles including nucleus, mitochondria, ribosomes, centrioles and ER.
Match the Column I and Column II
Column I | Column II |
A. Squamous | 1. Intestinal glands |
B. Cuboidal | 2. Trachea |
C. Columnar | 3. Ovary |
D. Ciliated |
4. Blood vessels 5. Bronchioles |
A - 2; B - 5; C - 1; D - 3
A - 4; B - 3; C - 1; D - 2
A - 4; B - 3; C - 1; D - 5
A - 4; B - 5; C - 1; D - 2
A person was found to possess reduced haemoglobin content in the blood, caused due to disturbance in formation of RBCs. He is suffering from
Vitamin-B1 defeciency
Vitamin-A defeciency
Vitamin-B12 defeciency
Vitamin-E defeciency
Which of the following region of root is responsible for increase in length of root?
Root cap region
Meristematic region
Region of elongation
Mature region
Glycolysis is
C6H12O6 + 6O2 6O2 + 6H2O
C6H12O6 2C2H5OH + 2CO2
C6H12O6 2C3H4O3 + 2CO2
C3H4O3 + NADH C2H5OH + CO2 + NAD+
The protein that reproduce within the living cells are termed as
plasmids
phages
prions
prophages
The correct sequence of cellular growth stages is
division differentiation elongation
differentiation division elongation
division elongation differentiation
elongation differentiation division