A highly evolved human brain contains approximately

Q. A highly evolved human brain contains approximately
  1 10,000 nerve cells
  2 100,000 nerve cells
  3 100 million nerve cells
  4 10,000 million nerve cells
    Ans:4 

Q. A healthy freshwater fish is placed in saltwater. The expected consequence of this would be that
  1 the fish becomes dehydrated and dies
  2 the fish becomes bloated and dies
  3 the fish suffers from fungal or bacterial disease and dies
  4 ther is no observable effect on the fish provided there is sufficient food
    Ans:1 

Q. A gene is
  1 a sleep inducing drug
  2 a unit of heredity
  3 a kind of vitamin
  4 a type of body cell
    Ans:2 

Q. A food chain consist of a 
  1 producer only
  2 consumer only
  3 producer and consumer
  4 decomposer only
    Ans:3 

Q. A feature of fertilization that is found only in angiosperms is that:
  1 the sperm may be carried by wind to the female organ
  2 one sperm fertilizes the egg, while another combines with the polar nucleus
  3 a pollen tube carries a sperm nucleus into the female gametophyte
  4 a chemical attractant guides the sperm towards the egg
    Ans:2 

Q. A drop of blood contains
  1 about 10,000 cells
  2 about 100,000 cells
  3 several million cells
  4 less than 2500 cells
    Ans:3 

Q. A cockroach has
  1 three pairs of walking legs
  2 two pairs of walking legs
  3 four pairs of walking legs
  4 one pair of walking legs
    Ans:1 

Q. A cell cycle consists of
  1 mitosis and meiosis
  2 G1, the S phase, and G2
  3 Prophase, metaphase, anaphase and telophase
  4 Interphase and mitosis
    Ans:4 

Q. A bat is
  1 a mammal
  2 a reptile
  3 an amphibian
  4 an avian
    Ans:1 

Q. A balance diet contains
  1 animal protein
  2 macro and micro nutrients
  3 food nutrients for growth and maintenance
  4 butter and ghee
    Ans:3