A gymnast is able to balance his body upside downeven in the total darkness because of :-
Sliding filament theory can be best explained as :-
High value of BOD (Biochemical Oxygen Demand)indicates that :-
Which of the following had the smallest braincapacity ?
Leaves become modified into spines in :-
Which of the following is not a sexually transmitteddisease ?
In which of the following gametophyte is notindependent free living ?
Which one one of the following matches is correct ?
Sexual
reproduction
absent
Reproduction
by
Conjugation
Parasitic
fungus
Aseptate
mycelium
Cryopreservation of gametes of threatened speciesin viable and fertile condition can be referred to as:-
Which of the following endoparasites of humansdoes show viviparity ?
Which of the following is the correct sequence of events in the origin of life?
I. Formation of protobionts
II. Synthesis of organic monomers
III. Synthesis of organic polymers
IV. Formation of DNA-based genetic systems
The correct sequence of events in the origin of life is Synthesis of organic monomers – Synthesis of organic polymers – Formation of protobionts – Formation of DNA-based genetic systems
The chronological order of human evolution from early to the recent is
In Hardy-Weinberg equation, the frequency of heterozygous individual is represented by
Genetic drift operates in
Genetic drift operates in small isolated population
If a colour-blind man marries a woman who is homozygous for normal colour vision, the probability of their son being colour-blind is
Several hormones like hCG, hPL, estrogen. progesterone are produced by
Colour blind man Normal homozygous women
X cY XX
Genotype of son – XY- normal vision
Son receives Y chromosome from father and X chromosomes from mother
Match Column-I with Column-II and select the correct option using the codes given below :
Column-I Column-II
a. Mons pubis (i) Embryo formation
b. Antrum (ii) Sperm
c. Trophectoderm (iii) Female external genitalia
d. Nebenkern (iv) Graafian follicle
Column-I Column-II a. Mons pubis –Female external genitalia b. Antrum – Graafian follicle c. Trophectoderm – Embryo formation d. Nebenkern – Sperm
Which of the following depicts the correct pathway of transport of sperms?
Embryo with more than 16 blastomeres formed due to in vitro fertilization is transferred into
Which of the following is incorrect .regarding vasectomy?
No sperm occurs in epididymis
Which of the following is hormonereleasing IUD?
LNG-20 is hormone releasing IUD clotting factors
The part of nephron involved in active reabsorption of sodium is
The part of nephron involved in active reabsorption of sodium is proximal convoluted tubule
The posterior pituitary gland is not a 'true' endocrine gland because
The posterior pituitary gland is not a 'true' endocrine gland because it only stores and releases hormones
Lungs do not collapse between breaths and some air always remains in the lungs which can never be expelled because
Lungs do not collapse between breaths and some air always remains in the lungs which can never be expelled because there is a negative intrapleural pressure pulling at the lung walls
Serum differs from blood in
Blood Plasma–clotting factors =Serum
Osteoporosis, an age related disease of skeletal system , may occur due to
Name a peptide hormone which acts mainly on hepatocytes, adipocytes and enhances cellular glucose uptake and utilization.
Insulin is a peptide hormone which acts mainly on hepatocytes, adipocytes and enhances cellular glucose uptake and utilization.
Name the blood cells, whose reduction in number can cause clotting disorder, leading to excessive loss of blood from the body.
Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction.
Calcium ion is responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction
Graves' disease is caused due to
