300+ TOP MCQs on Structural Organization in Plants and Animals and Answers

NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Structural Organization in Plants and Animals Multiple Choice Questions

MCQs on Structural Organization in Plants and Animals :

1. This statement about epithelial tissue is incorrect
(a) epithelial cells rest on a cellular basement membrane splitting it from underlying connective tissues
(b) covers the external body surface and the internal surface of some organs
(c) adjacent cells are held by cell junctions with very little extracellular material
(d) No blood vessels that supply nutrients to the epithelial cells

Answer

Answer: (a)

2. The large amoeboid cells found in areolar tissue and are also part of our innate immune system are known as:
(a) Mast cells
(b) Macrophages
(c) Adipocytes
(d) Fibroblasts

Answer

Answer: (b)

3. What are the glands referred to as when secretary granules leave cells by exocytosis with no loss of other cellular material
(a) Merocrine
(b) Holocrine
(c) Autocrine
(d) Apocrine

Answer

Answer: (a)

4. In humans, bipolar neurons are found in
(a) Spinal cord
(b) Brain
(c) Olfactory epithelium
(d) Embryonic phases

Answer

Answer: (c)

5. This about Periplaneta americana is incorrect
(a) Mosaic vision
(b) Excretion by structures – malphigian tubules
(c) Paurometabolous development
(d) Hemolymph delivers oxygen to tissues

Answer

Answer: (d)

6. This structure has dense irregular connective tissue
(a) Cartilage
(b) Ligaments
(c) Tendons
(d) Skin

Answer

Answer: (d)

7. In the bodies of complex animals, the most widely distributed and abundant tissue is
(a) Neural
(b) Muscular
(c) Connective
(d) Epithelium

Answer

Answer: (c)

8. Sperms are stored in which part of the reproductive system in male cockroaches
(a) Mushroom glands
(b) Seminal vesicles
(c) Testes
(d) Vas deferens

Answer

Answer: (b)

9. The role of the gap junction is to
(a) separate two cells from each other
(b) Prevent substances from leaking across a tissue
(c) Carry out cementing to keep adjacent cells together
(d) Enable communication between adjoining cells by connecting the cytoplasm for quick ion transfer, small molecules and some large molecules

Answer

Answer: (d)

10. In comparison with humans, the erythrocytes in frogs are
(a) nucleated along with the presence of haemoglobin
(b) no nucleus but with haemoglobin
(c) few and very much small
(d) nucleated and without haemoglobin

Answer

Answer: (a)

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