Below are the Most Important Biology MCQs For competition Exams 2024 :
Cells and Tissues Biology MCQs:
1➤ Which of these clues would tell you whether a cell is prokaryotic or eukaryotic?
ⓑ Whether or not the cell is partitioned by internal membranes
ⓒ The presence or absence of ribosomes
ⓓ Whether or not the cell contains DNA
2➤ There are micrometers (µm) in one millimeter (mm).
ⓑ 100
ⓒ 1000
ⓓ 0
3➤ The plasma these except membrane does all of
ⓑ Acts as a boundary or border for the cytoplasm
ⓒ Regulates passage of material in and out of the cell
ⓓ Functions in the recognition of cell
4➤ Which of these materials is not a component of the plasma membrane?
ⓑ Carbohydrates
ⓒ Proteins
ⓓ DNA
5➤ Cell walls are found in these organisms, except for-------.
ⓑ Animals
ⓒ Bacteria
ⓓ Fungi
6➤ The ------is a major component of plant cell walls.
ⓑ Peptidoglycan
ⓒ Cellulose
ⓓ Cholesterol
7➤ Plant cells have------ and------- which are not present in animal cells.
ⓑ Cell membranes, cell walls
ⓒ Chloroplasts, nucleus
ⓓ Chloroplasts, cell wall
8➤ The ------ is the membrane-enclosed structure in eukaryotic cells that contains the DNA of the cell.
ⓑ Chloroplast
ⓒ Nucleolus
ⓓ Nucleus
9➤ Ribosomes are constructed in the-------- .
ⓑ Nucleoid
ⓒ Nucleolus
ⓓ Nuclear Pore
10➤ Rough endoplasmic reticulum is the area in a cell where --------- are synthesized.
ⓑ Proteins
ⓒ Lipids
ⓓ DNA
11➤ Smooth endoplasmic reticulum is the area in cell where -------- are synthesized.
ⓑ Proteins
ⓒ Lipids
ⓓ DNA
12➤ The mitochondrion function in;
ⓑ Protein synthesis
ⓒ Photosynthesis
ⓓ Cellular respiration
13➤ The thin extensions of the inner mitochondrial membrane are known as
ⓑ Matrix
ⓒ Thylakoids
ⓓ Stroma
14➤ The chloroplast functions in -------- .
ⓑ Protein synthesis
ⓒ Photosynthesis
ⓓ DNA replication
15➤ Which of these cellular organelles have their own DNA?
ⓑ Golgi apparatus
ⓒ Mitochondrion
ⓓ All of these
16➤ Who described cells first?
ⓑ Leeuwenhoek
ⓒ Robert Brown
ⓓ Schleiden & Schwann
17➤ The very first microscope developed by was ?
ⓑ Zacharias Janssen
ⓒ Robert Brown
ⓓ Louis Pasteur
18➤ The very first microscope developed in was ?
ⓑ 1695
ⓒ 1795
ⓓ 1895
19➤ Magnification of light microscope is:
ⓑ 25000 X
ⓒ 250,000 X
ⓓ None of these
20➤ Magnification of electron microscope is:
ⓑ 1500 X
ⓒ 250,000 X
ⓓ None of these
21➤ Photograph taken by microscope is called:
ⓑ Photopraph
ⓒ Ponograph
ⓓ Cardiograph
22➤ Cell wall of fungi has:
ⓑ Chitin
ⓒ Cellulose
ⓓ fats
23➤ In 1665, British scientist first of all discovered cells:
ⓑ Zacharias Janssen
ⓒ Robert Brown
ⓓ Louis Pasteur
24➤ Cell membrane is composed of:
ⓑ Protein & lipids
ⓒ Cholesterol
ⓓ Peptidoglycan
25➤ A solution has relatively more solute:
ⓑ Hypotonic
ⓒ Isotonic
ⓓ Both b & c
26➤ The tissues of plant has ability of division are:
ⓑ ground tissues
ⓒ meristematic tissue
ⓓ support tissue
27➤ Cardiac muscles are present in the walls of :
ⓑ kidney
ⓒ heart
ⓓ stomach
28➤ Vessel elements are component of :
ⓑ Phloem tissues
ⓒ Support tissue
ⓓ Collenchymas tissue
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