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.Management Sciences
Category: Biology Mcqs
The major cell infected by the HIV is lymphocyte ?
0
A. helper-T
B. B
C. both T and B
D. none of these
Which of the follwing is a childhood disease resulting from nutritive Ca2+ deficiency?
A. Hypocalcaemia Tatanic spasms.
B. Osteomalacis.
C. Rickets.
D. Tetany
Proteins and lipids are converted into glycolipids and glycoproteins by adding carbohydrates by___________?
A. Ribosomes
B. Cytoplasm
C. Golgi apparatus
D. Endoplasmic reticulum
Malonic acid is an example of____________?
A. Irreversible inhibitor
B. Reversible inhibitor
C. Competitive inhibitor
D. Non-competitive inhibitor
Stem of Psilophyton an example of psilogsida is differentiated into an underground rhizome and an aerial part both of which are _________ branched
A. Isotomous
B. Dichotomously
C. Trichotomously
D. Multichotomously
Ribonucleo-protein particles are the name of__________?
A. DNA
B. Nucleus
C. Eukaryotic ribosomes
D. RNA
A group of similar cells that perform a specific function is:
A. Organ
B. Tissues
C. Organelle
D. Organ System
Ground pries are also known as___________?
A. Lycopods
B. Spike mosses
C. Both of these
D. None of these
The concept that various organisms dominated this planet during various geological time period and thus placing organisms in a time squence came from the studies by ?
A. Environmental biologist
B. Paleontologist
C. Marine biologist
D. Social biologist
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