Water has maximum density at____________?
A. 0°C
B. 4°C
C. 4° K
D. 4.8°C
Medical
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Which is the largest gland in the human body?
A. Thyroid
B. Liver
C. Pancreas
D. None of these
Tibia is a bone found in the ____________?
A. Skull
B. Arm
C. Leg
D. Face
Each metaphases chromosomes is a duplicated structure which costs of two sister chromatids, attached at a point called:
A. Centromere
B. Primary constriction
C. Both A & B
D. Secondary constriction
Meiosis was discovered and described for the first time in
A. Fish cells
B. Frog embryo
C. Human cells
D. Sea urchin eggs
Precursors of ribosomal subunits are found in
A. Nucleus
B. The peripheral area of a nucleolus
C. Central fibril area of a nucleolus
D. Cytoplasm
The main types of plastids are:
A. Chloroplasts
B. Chromoplasts
C. Leucoplasts
D. All a,b,c
The biggest cell in the world is the egg of:
A. Ostrich
B. Kiwi
C. Turtle
D. Elephant
When and electron pair is shared between two atoms, the resultant bond is
A. Ionic bond
B. Peptide bond
C. Covalent bond
D. None of these
Mitochondrial matrix supports which of these processes
A. Krebs cycle
B. Anaerobic respiration
C. Amino acid metabolism
D. All of these