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NEET Zoology MCQs: Class-XI and Class-XII



NEET Zoology MCQs: Class-XI and Class-XII

Hormones stored and released from neurohypophysis are:

[class-xi ]

  • Thyroid stimulating hormone and Oxytocin
  • Oxytocin and Vasopressin
  • Follicle stimulating hormone and Leutinizing hormone
  • Prolactin and Vasopressin
    • Correct Option: B  [ Oxytocin and Vasopressin ]

    Remark:

Match the following columns and select the correct option.

Column-I Column-II
(A)Pituitary gland (I)Grave's disease
(B)Thyroid gland (II)Diabetes mellitus
(C)Adrenal gland (III)Diabetes insipidus
(D)Pancreas (IV)Addison's disease

[class-xi ]

  • (A)-(IV), (B)-(III), (C)-(I), (D)-(II)
  • (A)-(III), (B)-(II), (C)-(I), (D)-(IV)
  • (A)-(III), (B)-(I), (C)-(IV), (D)-(II)
  • (A)-(II), (B)-(I), (C)-(IV), (D)-(III)
    • Correct Option: C  [ (A)-(III), (B)-(I), (C)-(IV), (D)-(II) ]

    Remark:

Select the correct statement.

[class-xi ]

  • Glucocorticoids stimulate gluconeogenesis.
  • Glucagon is associated with hypoglycemia.
  • Insulin acts on pancreatic cells and adipocytes.
  • Insulin is associated with hyperglycemia.
    • Correct Option: A  [ Glucocorticoids stimulate gluconeogenesis. ]

    Remark:

Vegetative propagule in Agave is termed as:

[class-xii ]

  • Rhizome
  • Bulbil
  • Offset
  • Eye
    • Correct Option: B  [ Bulbil ]

    Remark:

Strobili or cones are found in:

[class-xii ]

  • Salvinia
  • Pteris
  • Marchantia
  • Equisetum
    • Correct Option: D  [ Equisetum ]

    Remark:

Match the following columns and select the correct option.

Column-I Column-II
(A)Placenta (I)Androgens
(B)Zona pellucida (II)Human Chorionic Gonadotropin (hCG)
(C)Bulbo-urethral glands (III)Layer of the ovum
(D)Leydig cells (IV)Lubrication of the Penis

[class-xii ]

  • (A)-(IV), (B)-(III), (C)-(I), (D)-II)
  • (A)-(I), (B)-(IV), (C)-(II), (D)-(III)
  • (A)-(III), (B)-(II), (C)-(IV), (D)-(I)
  • (A)-(II), (B)-(III), (C)-(IV), (D)-(I)
    • Correct Option: D  [ (A)-(II), (B)-(III), (C)-(IV), (D)-(I) ]

    Remark:

Which of the following hormone levels will cause release of ovum (ovulation) from the graffian follicle?

[class-xii ]

  • High concentration of Estrogen
  • High concentration of Progesterone
  • Low concentration of LH
  • Low concentration of FSH
    • Correct Option: A  [ High concentration of Estrogen ]

    Remark:

Meiotic division of the secondary oocyte is completed:

[class-xii ]

  • Prior to ovulation
  • At the time of copulation
  • After zygote formation
  • At the time of fusion of a sperm with an ovum
    • Correct Option: D  [ At the time of fusion of a sperm with an ovum ]

    Remark:

Select the correct option of haploid cells from the following groups:

[class-xii ]

  • Primary oocyte, Secondary oocyte, Spermatid
  • Secondary spermatocyte, First polar body, Ovum
  • Spermatogonia, Primary spermatocyte, Spermatid
  • Primary spermatocyte, Secondary spermatocyte, Second polar body
    • Correct Option: B  [ Secondary spermatocyte, First polar body, Ovum ]

    Remark:

Match the following columns and select the correct option:

Column-I Column-II
(A)Ovary (I)Human chorionic Gonadotropin
(B)Placenta (II)Estrogen & Progesterone
(C)Corpus luteum (III)Androgens
(D)Leydig cells (IV)Progesterone only

[class-xii ]

  • (A)-(IV), (B)-(III), (C)-(II), (D)-(I)
  • (A)-(I), (B)-(II), (C)-(III), (D)-(IV)
  • (A)-(i), (B)-(III), (C)-(II), (D)-(IV)
  • (A)-(II), (B)-(I), (C)-(IV), (D)-(iii)
    • Correct Option: D  [ (A)-(II), (B)-(I), (C)-(IV), (D)-(iii) ]

    Remark:
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