41. Which of the following cell membrane components are present in plant cells b

Question

41. Which of the following cell membrane components are present in plant cells but absent in animal cells? A) phospholipids B) gap junctions C) plasmodesmata D) proteins E) carbohydrates 42. The largest structure in a eukaryotic cell is the and it is surrounded b membranes. A) mitochondrion; two B) nucleus; one C) mitochondrion; one D) Golgi apparatus; one E) nucleus; two 43. What cell type in animals has a flagellum? A) the hair follicle B) the sperm cell C) the ovum D) liver cells E) kidney cells 44. The organelle in the figure is found in: A) animals only. B) plants only C) plants, animals, and bacteria. D) plants and animals. E) bacteria only.

Explanation / Answer

Answere :

Question 41 : The option (C) i.e. pladmodesmata are such cell membrane component that absent in animal cell but present in plant cell.

Question 42 : The option (E) is correct i.e. The largest structure in eukaryotic cell is nucleus and is surrounded by two membrane.

Question 43 : The option (B) i.e. sperm cell has flagellum.

Question 44 : The option (D) i.e. The animal and plant cell both possess the given structure i.e. mitochondria.

Question 45 : The option (B) i.e lysosomes possess hydrolytic enzymes and responsible for degradation of macromolecules.

Question 46 : The option (B) i.e. the smooth endoplasmic reticulum involved in lipid synthesis and modifaication.

Question 47 :The option (B) is correct i.e. ribosomes are present on the surface of rough endoplasmic reticulum that makes it rough.

Question 48 : The correct option is (D) i.e plasmodesmata are present in plant cell to allow molecules to pass through one cell to another.

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