Gametogenesis
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Human Reproduction(NCERT)

286448 Which of the following shows the correct sequence of events leading to the formation of mature sperm?

1 Spermatogonium $\to $ Secondary spermatocyte $\to $ Primary spermatocyte $\to $ Spermatids $\to $ Sperms.
2 Spermatogonium $\to $ Spermatids $\to $ Secondary spermatocyte $\to $ Primary spermatocyte $\to $ Sperms.
3 Spermatids $\to $ Primary spermatocyte $\to $ Secondary spermatocyte $\to $ Spermatogonium $\to $ Sperms.
4 Spermatogonium $\to $ Primary spermatocyte $\to $ Secondary spermatocyte $\to $ Spermatids $\to $ Sperms.
NCERT Page-47 / N-31
Human Reproduction(NCERT)

286449 The figure given below shows the sectional view of seminiferous tubule.

Which marked structure (A to $D$ ) undergoes second meiotic division to produce four equal haploid cells (called spermatids)?

1 A
2 B
3 C
4 D
NCERT Page-47 / N-31
Human Reproduction(NCERT)

286450 The figure given below shows the structure of sperm. Identify the correct feature corresponding to the marked structure A, B, C and D.

1 A - plasma membrane, B - tail, C - Acrosome, $D$ - Neck, $E$ - middle piece and $F$ - Mitochondria.
2 A-middle piece, B - plasma membrane, C-Neck, $D$ - Mitochondria, $E$ - tail and $F$ - Acrosome.
3 A - Mitochondria, B - tail, C - Neck, D - plasma membrane, $\text{E}$ - Acrosome and $\text{F}$ - middle piece.
4 A-Acrosome, B - middle piece, C - mitochondria, D - tail, $E$ - plasma membrane and F - Neck.
NCERT Page-48 / N-32
Human Reproduction(NCERT)

286451 Seminal plasma in humans is rich in

1 fructose and calcium but no enzymes
2 glucose and certain enzymes but has no calcium
3 fructose and certain enzymes but poor in calcium
4 fructose, calcium and certain enzymes.
NCERT Page-44 / N-28
Human Reproduction(NCERT)

286452 Semen is a constituent of seminal plasma with

1 ovum
2 sperm
3 zygote
4 follicle
NCERT Page-48 / N-32
Join With Us for More Updates
Human Reproduction(NCERT)

286448 Which of the following shows the correct sequence of events leading to the formation of mature sperm?

1 Spermatogonium $\to $ Secondary spermatocyte $\to $ Primary spermatocyte $\to $ Spermatids $\to $ Sperms.
2 Spermatogonium $\to $ Spermatids $\to $ Secondary spermatocyte $\to $ Primary spermatocyte $\to $ Sperms.
3 Spermatids $\to $ Primary spermatocyte $\to $ Secondary spermatocyte $\to $ Spermatogonium $\to $ Sperms.
4 Spermatogonium $\to $ Primary spermatocyte $\to $ Secondary spermatocyte $\to $ Spermatids $\to $ Sperms.
NCERT Page-47 / N-31
Human Reproduction(NCERT)

286449 The figure given below shows the sectional view of seminiferous tubule.

Which marked structure (A to $D$ ) undergoes second meiotic division to produce four equal haploid cells (called spermatids)?

1 A
2 B
3 C
4 D
NCERT Page-47 / N-31
Human Reproduction(NCERT)

286450 The figure given below shows the structure of sperm. Identify the correct feature corresponding to the marked structure A, B, C and D.

1 A - plasma membrane, B - tail, C - Acrosome, $D$ - Neck, $E$ - middle piece and $F$ - Mitochondria.
2 A-middle piece, B - plasma membrane, C-Neck, $D$ - Mitochondria, $E$ - tail and $F$ - Acrosome.
3 A - Mitochondria, B - tail, C - Neck, D - plasma membrane, $\text{E}$ - Acrosome and $\text{F}$ - middle piece.
4 A-Acrosome, B - middle piece, C - mitochondria, D - tail, $E$ - plasma membrane and F - Neck.
NCERT Page-48 / N-32
Human Reproduction(NCERT)

286451 Seminal plasma in humans is rich in

1 fructose and calcium but no enzymes
2 glucose and certain enzymes but has no calcium
3 fructose and certain enzymes but poor in calcium
4 fructose, calcium and certain enzymes.
NCERT Page-44 / N-28
Human Reproduction(NCERT)

286452 Semen is a constituent of seminal plasma with

1 ovum
2 sperm
3 zygote
4 follicle
NCERT Page-48 / N-32
For More Updates join with Us
Human Reproduction(NCERT)

286448 Which of the following shows the correct sequence of events leading to the formation of mature sperm?

1 Spermatogonium $\to $ Secondary spermatocyte $\to $ Primary spermatocyte $\to $ Spermatids $\to $ Sperms.
2 Spermatogonium $\to $ Spermatids $\to $ Secondary spermatocyte $\to $ Primary spermatocyte $\to $ Sperms.
3 Spermatids $\to $ Primary spermatocyte $\to $ Secondary spermatocyte $\to $ Spermatogonium $\to $ Sperms.
4 Spermatogonium $\to $ Primary spermatocyte $\to $ Secondary spermatocyte $\to $ Spermatids $\to $ Sperms.
NCERT Page-47 / N-31
Human Reproduction(NCERT)

286449 The figure given below shows the sectional view of seminiferous tubule.

Which marked structure (A to $D$ ) undergoes second meiotic division to produce four equal haploid cells (called spermatids)?

1 A
2 B
3 C
4 D
NCERT Page-47 / N-31
Human Reproduction(NCERT)

286450 The figure given below shows the structure of sperm. Identify the correct feature corresponding to the marked structure A, B, C and D.

1 A - plasma membrane, B - tail, C - Acrosome, $D$ - Neck, $E$ - middle piece and $F$ - Mitochondria.
2 A-middle piece, B - plasma membrane, C-Neck, $D$ - Mitochondria, $E$ - tail and $F$ - Acrosome.
3 A - Mitochondria, B - tail, C - Neck, D - plasma membrane, $\text{E}$ - Acrosome and $\text{F}$ - middle piece.
4 A-Acrosome, B - middle piece, C - mitochondria, D - tail, $E$ - plasma membrane and F - Neck.
NCERT Page-48 / N-32
Human Reproduction(NCERT)

286451 Seminal plasma in humans is rich in

1 fructose and calcium but no enzymes
2 glucose and certain enzymes but has no calcium
3 fructose and certain enzymes but poor in calcium
4 fructose, calcium and certain enzymes.
NCERT Page-44 / N-28
Human Reproduction(NCERT)

286452 Semen is a constituent of seminal plasma with

1 ovum
2 sperm
3 zygote
4 follicle
NCERT Page-48 / N-32
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Human Reproduction(NCERT)

286448 Which of the following shows the correct sequence of events leading to the formation of mature sperm?

1 Spermatogonium $\to $ Secondary spermatocyte $\to $ Primary spermatocyte $\to $ Spermatids $\to $ Sperms.
2 Spermatogonium $\to $ Spermatids $\to $ Secondary spermatocyte $\to $ Primary spermatocyte $\to $ Sperms.
3 Spermatids $\to $ Primary spermatocyte $\to $ Secondary spermatocyte $\to $ Spermatogonium $\to $ Sperms.
4 Spermatogonium $\to $ Primary spermatocyte $\to $ Secondary spermatocyte $\to $ Spermatids $\to $ Sperms.
NCERT Page-47 / N-31
Human Reproduction(NCERT)

286449 The figure given below shows the sectional view of seminiferous tubule.

Which marked structure (A to $D$ ) undergoes second meiotic division to produce four equal haploid cells (called spermatids)?

1 A
2 B
3 C
4 D
NCERT Page-47 / N-31
Human Reproduction(NCERT)

286450 The figure given below shows the structure of sperm. Identify the correct feature corresponding to the marked structure A, B, C and D.

1 A - plasma membrane, B - tail, C - Acrosome, $D$ - Neck, $E$ - middle piece and $F$ - Mitochondria.
2 A-middle piece, B - plasma membrane, C-Neck, $D$ - Mitochondria, $E$ - tail and $F$ - Acrosome.
3 A - Mitochondria, B - tail, C - Neck, D - plasma membrane, $\text{E}$ - Acrosome and $\text{F}$ - middle piece.
4 A-Acrosome, B - middle piece, C - mitochondria, D - tail, $E$ - plasma membrane and F - Neck.
NCERT Page-48 / N-32
Human Reproduction(NCERT)

286451 Seminal plasma in humans is rich in

1 fructose and calcium but no enzymes
2 glucose and certain enzymes but has no calcium
3 fructose and certain enzymes but poor in calcium
4 fructose, calcium and certain enzymes.
NCERT Page-44 / N-28
Human Reproduction(NCERT)

286452 Semen is a constituent of seminal plasma with

1 ovum
2 sperm
3 zygote
4 follicle
NCERT Page-48 / N-32
Join With Us for More Updates
Human Reproduction(NCERT)

286448 Which of the following shows the correct sequence of events leading to the formation of mature sperm?

1 Spermatogonium $\to $ Secondary spermatocyte $\to $ Primary spermatocyte $\to $ Spermatids $\to $ Sperms.
2 Spermatogonium $\to $ Spermatids $\to $ Secondary spermatocyte $\to $ Primary spermatocyte $\to $ Sperms.
3 Spermatids $\to $ Primary spermatocyte $\to $ Secondary spermatocyte $\to $ Spermatogonium $\to $ Sperms.
4 Spermatogonium $\to $ Primary spermatocyte $\to $ Secondary spermatocyte $\to $ Spermatids $\to $ Sperms.
NCERT Page-47 / N-31
Human Reproduction(NCERT)

286449 The figure given below shows the sectional view of seminiferous tubule.

Which marked structure (A to $D$ ) undergoes second meiotic division to produce four equal haploid cells (called spermatids)?

1 A
2 B
3 C
4 D
NCERT Page-47 / N-31
Human Reproduction(NCERT)

286450 The figure given below shows the structure of sperm. Identify the correct feature corresponding to the marked structure A, B, C and D.

1 A - plasma membrane, B - tail, C - Acrosome, $D$ - Neck, $E$ - middle piece and $F$ - Mitochondria.
2 A-middle piece, B - plasma membrane, C-Neck, $D$ - Mitochondria, $E$ - tail and $F$ - Acrosome.
3 A - Mitochondria, B - tail, C - Neck, D - plasma membrane, $\text{E}$ - Acrosome and $\text{F}$ - middle piece.
4 A-Acrosome, B - middle piece, C - mitochondria, D - tail, $E$ - plasma membrane and F - Neck.
NCERT Page-48 / N-32
Human Reproduction(NCERT)

286451 Seminal plasma in humans is rich in

1 fructose and calcium but no enzymes
2 glucose and certain enzymes but has no calcium
3 fructose and certain enzymes but poor in calcium
4 fructose, calcium and certain enzymes.
NCERT Page-44 / N-28
Human Reproduction(NCERT)

286452 Semen is a constituent of seminal plasma with

1 ovum
2 sperm
3 zygote
4 follicle
NCERT Page-48 / N-32