Which one of the following helps in absorption of phosphorus from soil by plants?

1. Rhizobium

2. Anabaena

3. Frankia

4. Glomus

Subtopic:  Microbes as Biofertilizer |
 70%
From NCERT
NEET - 2011
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The figure given below depicts a diagrammatic sectional view of the female

reproductive system of humans. Which one set of three parts out of A-F have been

correctly identified?

1. C-lnfundibulum, D-Fimbriae, E-Cervix

2. D-Oviducal funnel, E-Uterus, F-Cervix

3. A-Perimetrium, B-Myometxium, C-Fallopian tube

4. B-Endometrium, C-Infundibulum, D-Fimbriae

Subtopic:  Female Reproductive System-1 | Female Reproductive System-2 |
 80%
From NCERT
NEET - 2011
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Sertoli cells are found in

1. ovaries and secrete progesterone

2. adrenal cortex and secrete adrenalin

3. seminiferous tubules and provide nutrition to germ cells

4. pancreas and secrete cholecystokinin

Subtopic:  Seminiferous Tubules & Spermatogenesis |
 96%
From NCERT
NEET - 2010
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Vasa efferentia are the ductules leading from

1. testicular lobules to rete testis

2. rete testis to vas deferens

3. vas deferens to epididymis

4. epididymis to urethra

Subtopic:  Male Reproductive Duct System |
 70%
From NCERT
NEET - 2010
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

The second maturation division of the mammalian ovum occurs

1. shortly after ovulation before the ovum makes entry imto the Fallopian rube

2. until after the ovum has been penetrated by a sperm

3. until the nucleus of the sperm has fused with that of the ovum

4. in the Graafian follicle following the first maturation division

Subtopic:  Fertilization: Part 2 | Fertilization |
 67%
From NCERT
NEET - 2010
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which one of the following statements about human sperm is correct?

1. Acrosome has a conical pointed structure used for piercing and penetrating the

egg, resulting in fertilization

2. The sperm lysins in the acrosome dissolve the egg envelope facilitating fertilization

3. Acrosome serves as a sensory structure leading the sperm towards the ovum

4. Acrosome serves no particular function

Subtopic:  Spermiogenesis/Sperm Structure/Hormonal Regulation |
 59%
From NCERT
NEET - 2010
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Which one of the following statements about morula in humans is correct?

1. It has almost equal quantity of cytoplasm as an uncleaved zygote but much more DNA

2. It has far less cytoplasm as well as less DNA than in an uncleaved zygote

3. It has more or less equal quantity of cytoplasm and DNA as in uncleaved zygote

4. It has more cytoplasm and more DNA than an uncleaved zygote 

Subtopic:  Fertilization: Part 2 | Fertilization |
 55%
NEET - 2010
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The part of fallopian tube closest to the ovary is

1. isthmus

2. infundibulum

3. cervix

4. ampulla

Subtopic:  Female Reproductive System-1 |
 84%
From NCERT
NEET - 2010
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

A change in the amount of yolk and its distribution in the egg will affect

1. formation of zygote

2. pattern of cleavage

3. number of blastomeres produced

4. fertilization

Subtopic:  Implantation : Part 1 | Implantation |
 64%
NEET - 2009
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Foetal ejection reflex in human female is induced by

1. pressure exerted by amniotic fluid

2. release of oxytocin from pitutary

3. fully developed foetus and placenta

4. differentiation of mammary glands

Subtopic:  Fetal Development & Parturition |
 79%
From NCERT
NEET - 2009
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
Links
To view explanation, please take trial in the course.
NEET 2025 - Target Batch