Which one of the following vitamins is watersoluble
Anonymous Quiz
74%
Vitamin B
8%
Vitamin E
13%
Vitamin K
6%
Vitamin A
In DNA, the complementary bases are
Anonymous Quiz
6%
Uracil and adenine; cytosine and guanine
82%
Adenine and thymine; guanine and cytosine
5%
Adenine and thymine; guanine and uracil
8%
Adenine and guanine; thymine and cytosine
In 'S' phase of the cell cycle
Anonymous Quiz
85%
Amount of DNA doubles in each cell.
9%
Amount of DNA remains same in each cell.
5%
Chromosome number is increased.
2%
Amount of DNA is reduced to half in each cell
In mitosis, nucleolus and nuclear membrane disappear at
Anonymous Quiz
5%
Interphase
72%
Prophase
11%
Metaphase
11%
Telophase
Best stage to observe shape, size and number of chromosomes is
_______
_______
Anonymous Quiz
4%
Interphase
89%
Metaphase
4%
Prophase
3%
Telophase
Cell plate grows from
Anonymous Quiz
19%
wall to centre
72%
Centre to walls
7%
One wall to another
2%
Simultaneously
Which of the vitamins given below is water soluble
Anonymous Quiz
79%
Vitamin C
8%
Vitamin D
5%
Vitamin E
8%
Vitamin K
The two forms of D-glucopyranose obtained from the solution of D-glucose are called
Anonymous Quiz
10%
Isomer
50%
Anomer
24%
Epimer
16%
Enantiomer
Glucose on prolonged heating with HI gives
Anonymous Quiz
10%
1-Hexene
15%
Hexanoic acid
9%
6-iodohexanal
66%
n-Hexane
Which of the following is NOT an example of fibrous protein
Anonymous Quiz
15%
Collagen
20%
Myosin
43%
Albumin
22%
Keratin
The specific rate constant of a first order reaction depends on the
Anonymous Quiz
29%
Concentration of the reactant
11%
Concentration of the product
14%
Time
47%
Temperature
Which of the following cellular structures always disappears during mitosis and
meiosis?
meiosis?
Anonymous Quiz
5%
Plastid and nuclear membrane
66%
Nucleolus and nuclear membrane
19%
Endoplasmic reticulum and mitochondria
9%
Endoplasmic reticulum and plasma membrane
Two sister chromatids are attached with
Anonymous Quiz
5%
Chromocentre
16%
Spindle fibre
76%
Centromere
4%
Chromatid
Chiasma represents the sites of
Anonymous Quiz
10%
Synapsis
73%
Crossing over
6%
Disjunction
11%
Terminalisation
During anaphase-I
Anonymous Quiz
11%
Bivalent divides transversely
67%
Homologues move towards opposite poles
18%
Chromatids separate out
3%
Tetravalents are formed.
The process of cytokinesis refers to the division of
Anonymous Quiz
6%
Nucleus
87%
Cytoplasm
5%
Chromosmes
2%
None of these
Which of the following compounds will not undergo decomposition on passing electricity
through aqueous solution?
through aqueous solution?
Anonymous Quiz
68%
Sugar
16%
Sodium Chloride
6%
Sodium Bromide
10%
Sodium acetate