MDCAT
BIOLOGY ENTRY TEST TEST NO-1
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In prokaryotes nuclear material is directly submerged in the
Cell membrane (c)
Nucleoplasm
nucleus (d)
cytoplasm
Unit membrane model is related to
(a) plasma membrane (c)
chloroplasts
(b) mitochondria (d) all
Which type of proteins are present in cell membrane
globular (c) fibrous
(b) hydrophobic (d)
answer is not available
Which are involved in transmission of impulses
(a) ribosomes (c) nucleus
(b) mitochondria (d) SER
The ribosomes are attached to mRNA through
(a) Mg+2 ions (c) small subunits
(b) Ca+2 ions (d)
large submits
Transport vesicles are formed by
(a) ER (c)
Ribosomes
(b) Golgi complex (d)
ER and Golgi
Each microtubule is composed of
(a) single centriole (c) nine tubules
(b) two centrioles (d) three tubules
Under compound microscope they appear to be vesicles, rods or
filamentous
(a) centrioles (c)
mitochondria
(b) chloroplasts (d) nuclei
Germ cell of Drosophila has chromosomes
(a) 4 (c)
14
(b) 8 (d) 26
Multinucleated cell has nuclei
(a) one and more than one (c) three and more then three
(b) two and more than two (d)
answer is not available
Which one is without any membrane
(a) Ribosome (c)
ER
(b) Nucleolus (d) Golgi complex
Ribosomes exist in two forms, either freely dispersed in the
cytoplasm or attached with the
(a) mitochondria (c) ER
(b) nuclear membrane (d) Golgi complex
Chemical composition of plasma membrane is
(a) Phospholipid (c)
Glycoprotein
(b) Glycolipid (d) Protein and lipid
Stacks of flattened, membrane bound sacs system is called
(a) Golgi complex (c) Cristae
(b) Cisternae (d) Sacculus
A crista is made of membrane of
(a) Glycolipid (c) Glycoprotein
(b) Lipoprotein (d) Nucleoprotein
All green algae have
(a) chlorophyll a , b (c) carotenoids and chlorophyll
a
(b) chlorophyll c , d (d)
chlorophyll a , b and carotenes
Absorption spectrum of chlorophyll indicates that there is more
absorption at
(a) 380nm (c)
570nm
(b) 430nm (d) 750nm
Predominant type of electron transport is
(a) non-cyclic electron flow
(c)
calvin cycle
(b) cyclic electron flow (d) Krebs cycle
NADP+ is reduced by
(a) single electron (c) three electrons
(b) two electrons (d)
four electrons
Each photon of light excites
(a) single electron (c) three electrons
(b) two electrons (d)
four electrons
Which provides energized electron
(a) H2O (c) O2
(b) NADPH2 (d) ATP
The second major stage of photosynthesis is
(a) Krebs cycle (c) Cyclic phosphorylation
(b) Glycolysis (d) Calvin cycle
NADH is oxidized by
(a) H2O (c) Co enzyme Q
(b) ADP (d) Cytochrome b
Each pair of H atoms entering the respiratory chain as FADH2
yield
(a) 1 ATP (c)
3 ATP
(b) 2 ATP (d) 4 ATP
In Krebs cycle FAD is converted into FADH2 during the
convertion of
(a) Malate ® oxaloacetate
(c) α-ketoglutarate ® Succinate
(b) Isocitrate ® α ketoglutarate
(d)
Succinate ® Fumerate
In Glycolysis, Removal of water from 2PG yields
(a) G3P (c)
PEP
(b) DAP (d) Pyruvate
Glycolysis can be divided into phases.
(a) two (c)
four
(b) three (d) six
How many ATP molecules are needed to run the calvin cycle
(a) two (c)
nine
(b) four
(d) thirty six
Which one is actually direct product of calvin cycle
(a) Glucose (c) Fructose
(b) Triose (d) Starch
Total FADH2 formed by one glucose molecule during Krebs
cycle
(a) single (c) three
(b) two (d) six
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