Consider the following statements:
 The respiratory pigment present in RBCs is haemoglobin.
 The iron containing pigment in RBCs is haemoglobin.
Choose the correct option:
[A] Only 1 is correct
[B] Only 2 is correct
[C] Both are correct
[D] Neither 1 nor 2 is correct
 —————— controls involuntary actions.
[C] Medulla oblongata
[D] Spinal cord
 Which gland secretes two hormones insulin and glucagon which help in the metabolism of glucose in our body?
 Which part of our brain helps in maintaining the balance of our body?
 Which of the following is not correctly matched?
[A] Uterus – The womb in which the embryo develops
[B] Cervix – The opening of uterus
[C] Vagina – Female opening
[D] A pair of ovaries – Sperm generation
 Which of the following is not a male reproductive part?
[B] Vas differentia
[C] Fallopian tube
[D] Ejaculatory duct
 Consider the following statements regarding harmonic motion:
 The period of oscillation depends on the amplitude.
 The restoring force is constant at all points in the oscillation.
 The heavier a pendulum bob, the shorter its period.
Which of the statements given above is/are incorrect?
[A] 1 and 3 only
[B] 1 and 2 only
[C] 2 and 3 only
[D] 1, 2 and 3
 Consider the following statements regarding the Modern Periodic Table:
 The size of atoms decreases from left to right in a period.
 The size of atoms increases from top to bottom in a group.
 In a period the atomic number and therefore the negative charge on the nucleus increases gradually.
Which of the statements given above is/are correct?
[A] 1 and 2
[B] 2 and 3
[C] 1 and 3
[D] 1, 2 and 3
 How many autosomes do humans have?
[A] 21 pairs or 42 chromosomes
[B] 22 pairs or 44 chromosomes
[C] 23 pairs or 46 chromosomes
[D] 24 pairs or 48 chromosomes
 In which layer of atmosphere is ozone layer present?