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An elaborate network of filamentous proteinaceous structures which help in the maintenance of the cell shape is called

1) cytoplasm 2) cytoskeleton 3) endoplasmic reticulum 4) Golgi complex Answer:2) cytoskeleton Explanation: The cytoskeleton is made up of... View Article

Cytoplasm is the jelly-like semi-fluid matrix found inside a cell. It is composed of

1) water 2) cell organelles 3) micromolecules and macromolecules 4) all of the above Answer:4) all of the above Explanation: Cytoplasm is the... View Article

Members of the eukaryotes are by nature

1) unicellular 2) multicellular 3) acellular 4) both 1 and 2 Answer:4) both 1 and 2 Explanation: Eukaryotes are both unicellular as well as... View Article

The cell wall shows

1) impermeability 2) semi permeability 3) differential permeability 4) free permeability Answer:4) free permeability Explanation: The cell wall... View Article

Where is the middle lamella found in a cell?

1) Inner to primary cell wall 2) Inner to secondary cell wall 3) Outer to secondary cell wall 4) Outer to primary cell wall Answer:4) Outer to... View Article

What happens when green tomato fruits turn red?

1) New chloroplasts are formed 2) Chloroplasts are converted to chromoplasts 3) Chromoplasts are converted to chloroplasts 4) None of the above... View Article

Foldings of the inner membrane of mitochondria are called

1) sacs 2) cisternae 3) cristae 4) grana Answer:3) cristae Explanation: Inner membrane foldings of mitochondria are called cristae. They increase... View Article

Which among the following will you find in a eukaryotic nucleus?

1) Nuclear membrane 2) Chromatin 3) Nucleolus 4) All of the above Answer:4) All of the above Explanation: The eukaryotic nucleus contains... View Article

All the functions of the cell are controlled by the

1) vacuole 2) endoplasmic reticulum 3) mitochondrion 4) nucleus Answer:4) nucleus Explanation: The nucleus is the brain of the cell and it... View Article

Which among the following is called the ‘powerhouse’ of the cell?

1) Endoplasmic reticulum 2) Mitochondria 3) Ribosomes 4) Nucleus Answer:2) Mitochondria Explanation: Mitochondria are called the powerhouse of... View Article

Which of the following is not a secondary sexual character in males?

1) Enlarged larynx and deeper voice 2) Development of facial hair 3) High pitch voice 4) Enlarged penis Answer:3) High pitch voice Explanation:... View Article

Select the incorrect statement regarding testis.

1) Testis is endocrine in nature 2) Testes are extra-abdominal in position 3) Sertoli cells of the testis nourish the sperms 4) Interstitial... View Article

Which of the following ducts is common for the reproductive and the urinary system?

1) Epididymis 2) Ureter 3) Vas deferens 4) Urethra Answer:4) Urethra Explanation: Urethra is a common duct for the passage of both urine and... View Article

Which of the following is situated closer to the testicular lobules?

1) Epididymis 2) Vasa efferentia 3) Vas deferens 4) Rete testis Answer:4) Rete testis Explanation: Testicular lobules have seminiferous tubules,... View Article

Testis is present outside the abdominal cavity in order to facilitate ______.

1) ejaculation 2) insemination 3) spermatogenesis 4) urination Answer:3) spermatogenesis Explanation: Testis is present outside the abdominal... View Article

Estrogen and progesterone secreted by the ovary are ______ hormones.

1) proteinaceous 2) amino acid-derived 3) steroid 4) polypeptide Answer:3) steroid Explanation: Estrogen and progesterone are steroid... View Article

Leydig cells are stimulated by the hormone produced from ______.

1) anterior pituitary 2) posterior pituitary 3) testis 4) hypothalamus Answer:1) anterior pituitary Explanation: LH produced from the... View Article

Which among the following is a post-fertilisation event in human beings?

1) Insemination 2) Spermatogenesis 3) Implantation 4) Gametogenesis Answer:3) Implantation Explanation: After fertilisation, the zygote... View Article

Each fallopian tube is about _ long and extends ___.

1) 2-4 cm, from the uterus to vagina 2) 10-12 cm, from isthmus to ampulla 3) 10-12 cm, from the periphery of each ovary to uterus 4) 12-14 cm,... View Article

The part of the fallopian tube closest to the uterus is _______.

1) infundibulum 2) ampulla 3) cervix 4) isthmus Answer:1) infundibulum Explanation: The part of the fallopian tube closest to the uterus is... View Article

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