(a) Blue
(b) Green
(c) Violet
(d) Yellow
Answer:
Genes are situated on
(a) Plastids
(b) Ribosomes
(c) Chromosome
(d) Mitochondria
Answer:
Which one of the following is the principal structural elements of a living cell?
(a) Carbon
(b) Nitrogen
(c) Oxygen
(d) Hydrogn
Answer:
Lung is covered by a membrane called
(a) Serosa
(b) Peritonium
(c) Pericardium
(d) Plerura
Answer:
External ear of man is mainly made up of
(a) Bones
(b) Cartilage
(c) Muscle
(d) Smooth muscle
Answer:
Lachrymal gland secret
(a) Mucus
(b) Tear
(c) Sweat
(d) Sebum
Answer:
Enzymes are
(a) Steroids
(b) Carbonhydrates
(c) Proteins
(d) Lipids
Answer:
Which one can respire in absence of oxygen
(a) Root
(b) Stem
(c) Seed
(d) Leaves
Answer:
True nucleus is absent in
(a) Algae
(b) Lichens
(c) Bacteria
(d) Fungi
Answer:
Nucleus was discovered by
(a) Darwin and Wallace
(b) Watson and Crick
(c) Schleiden and Schwan
(d) Sulton and Boveri
Answer: