"Omnis-cellula-e-cellula" was given:

(1) Virchow

(2) Hooke

(3) Leeuwenhoek

(4) Brown.

Subtopic:  Cell Theory |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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Which of the following is responsible for the mechanical support, protein synthesis and enzyme transport ?

(1) Cell membrane

(2) Mitochondria

(3) Dictyosome

(4) Endoplasmic reticulum

Subtopic:  Intro to Endomembrane System: Endoplasmic Reticulum |
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Specific proteins responsible for the flow of materials and information into the cell are called

(1) membrane receptors

(2) carrier proteins

(3) integral proteins

(4) none of these

Subtopic:  Cell Membrane |
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Who invented electron microscope ?

(1) Jansen

(2) Edison

(3) Knoll and Ruska

(4) Landsteiner

Subtopic:  Cell Theory |
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What are Singer and Nicolson known for?

(1) One-gene-one-enzyme hypothesis

(2) Plasma membrane modifications

(3) Fluid-mosaic model of plasma membrane

(4) Structure of DNA

Subtopic:  Evidence for Fluidic Nature of Membrane |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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What is a plasmid ?

(1) Bacterial, linear, dsDNA

(2) Extra chromosomal linear RNA

(3) Extra chromosomal circular dsDNA

(4) Autonomously replicating circular RNA

Subtopic:  Prokaryotic Cell Organisation |
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Cell theory was proposed by

(1) a botanist

(2) a zoologist

(3) a botanist and a zoologist

(4) a psychologist.

Subtopic:  Cell Theory |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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The microscope usually used for seeing living cells or tissues is

(1) compound microscope

(2) electron microscope

(3) phase contrast microscope

(4) light microscope.

Subtopic:  Cell Theory |
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Which of the following organelles contain DNA?

(i) Mitochondria (ii) Chloroplasts (iii) Golgi bodies (iv) Ribosomes

(1) (i) and (ii)

(2) (ii) and (iii)

(3) (i) only

(4) (iv) only.

Subtopic:  Nucleus: Chromosomes |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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Chromatin is made up of:

(1) DNA and protein

(2) DNA and histone

(3) DNA, RNA, protein

(4) RNA, histone and oil bodies.

Subtopic:  Nucleus: Chromosomes |
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NEET 2021 - Achiever Batch - Aryan Raj Singh
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