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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
The length of jejunum is about.
Choose an answer
2.8 m
2.4 m
1.4 m
2 m
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Question # 2
Brush like arrangement of its conidia characteristic of.
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Rhyisopues
Penicillium
Ustilago
Agrees
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Question # 3
Resolution power of a typical compound. microscope is.
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300 x
1.0 micro meter
2.0 micro meter
2-4 Angstron
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Question # 4
If tuft of flagella is present only at one pole to bacteria then these are called as
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Amphitrichous
Lophotriches
Peritrichous
Monotrichoca
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Question # 5
The simplest of all the Bryophytes are
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Mosses
Liverworts
Club mosses
Hornworts
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Question # 6
Rubisco reacts with oxygen instead of CO2 during.
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Glycolysis
Respiration
Kreb cycle
Photorespiration
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Question # 7
Which statement about the nuclear envelop in not true
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It has pores
It is double membrane structure
Its inner membrane bears ribosomes
RNA and some proteins can pass through it
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Question # 8
The optimum pH of enter kinase is
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1.50
3.50
5.50
7.50
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Question # 9
Cell wall of oomycotes contain mostly
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Chitin
Cellulose
Pectin
Glycan
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Question # 10
The largest brown aloae are called
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diatoms
Kelps
Dinoflagellates
Gonidium
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Question # 11
Digestion in Hydra and Planaria takes place within their
Choose an answer
Coelom
Alimentary cannal
Gastrovascular cavity
Mouth
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Question # 12
For maximum growth the optimum temperature is 25 - 30
o
C and it least at
Choose an answer
1 - 3
o
C
5 - 10
o
C
4 - 8
o
C
6 - 12
o
C
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Question # 13
Nociceptors produce sensation of
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Touch
Pain
Warmth
Pressure
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Question # 14
Cancer is caused mainly by mutation in.
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somatic cells
Sex cells
Malignant cells
Reproductive cells
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Question # 15
Which statement defines the net primary production in an ecosystem over a given time period?
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The total amount of organic matter in the plants in excess of that used in respiration
The total amount of organic matter used in respiration by all the organisms present
The total amount of photosynthesis product from all plants
The total amount of organic matter in all organisms present
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Question # 16
Which one is not a mesophyte.
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Brassica
Mango
Rose
Cacti
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Question # 17
Opening of flower bud floows.
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Photonasty
epinasty
Haptonasty
Hyponasty
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Question # 18
Immediately after fertilization, the egg undergoes a series
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Morulla
Gastrulation
Cleavage
Blastula
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Question # 19
The most important hormone in initiating and maintaning lacation after birth is:
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Estrogen
FSH
Prolatin
Oxytocin
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Question # 20
The human life is judged to be maximum of.
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60-70 years
70-100 years
120 -175 years
130-135 years
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Question # 21
The zone, rich in life, in a fresh water lake is called.
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Littoral zone
Profundal zone
Limnetic zone
Deseret
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Question # 22
Rapid movement of leaves of mimosa on touching is a example of.
Choose an answer
Turgor movement
Tropic movement
Nastic movement
Growth movement
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