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Biology Life Science Test Medium Mode MCQs With Answers
Question # 1
bryophytes are generally thought to have evolved from
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Brown algae
Red algae
Golden algae
Green algae
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Question # 2
Tay-Sach's disease is because of absence of an enzyme, That is involved in catabolism of.
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Polysaccharides
Oligosaccharides
Lipids
Proteins
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Question # 3
The carbohydrate digesting enzyme in pancreatic juice is
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Lipase
Amylase
Erypsin
Trypsin
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Question # 4
In Cockroach the partially digested food is stored.
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Rectum
Gizzard
Crop
Colon
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Question # 5
Blood contains ______ oxygen per 100 ml of blood when haemoglobin is 98% saturated
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19.6 ml
18.6 ml
16.6 ml
17.6 ml
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Question # 6
The closest relatives of fungi are probably
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Animals
Slime molds
Brown algae
Vascular plants
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Question # 7
HIV belong to the group of viruses called.
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Pox viruses
DNA viruses
Retrovirus
Bacteriophage
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Question # 8
Carbon di oxide enters the leaves through.
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epidermis
Cuticle
Stomata
Air space
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Question # 9
Which one of the following is not a ciliate
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Stentor
Trypanosoma
Vortecella
Parameclum
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Question # 10
Embryo-sac in angiosperms in also called
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Sporophyte
male gametophyte
Female gametophyte
None of these
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Question # 11
Passive immunity is developed by injecting.
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Vaccine
Serum
Antiserum
Antibiotic
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Question # 12
A probe is a single stranded nucleotide sequence that will hybridize (pair) into a certain piece of
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DNA
RNA
Amino acid
Fatty acid
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Question # 13
In sickle cell anemia disease, a single thymine is replaced with an adenine in the DNA that codes for.
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Valine
Glycine
Histidine
Glutamic acid
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Question # 14
The long day plant produce flowers in the presence of photochrome.
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P-660
P-770
P-730
P-600
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Question # 15
The malpighian tubules remove nitrogenous wastes from the
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Lymph
Hind gut
Hemolymph
Coelomic fluid
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Question # 16
Unspecialized cells, neoblast are always present in body of.
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Salamander
Planaria
Lizard
Newt
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Question # 17
The interaction between different genes occupying different loci is
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Pleiotropy
Epistasis
Bombay phenotype
Linkage
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Question # 18
The tumor which is localized and not transferred to other body parts.
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Malignant
Benign
apoptosis
Necrosis
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Question # 19
The fishes which drink large amount of sea water and excrete concentrated urine are.
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Cartilaginous fishes
Bony fishes
Lung fishes
Jawless fishes
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Question # 20
In Meselson ansd stahl experiment, the DNA from sample at 20 minutes, after centrifugatioon it made sediments at the :
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Top
Bottom
Intermediate
Top & intermediate
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Question # 21
Hypoblast is mainly presumptive
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Endoderm
Mesoderm
Ectoderm
Blastoderm
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Question # 22
The period of life cycle of cell between two consecutive divisions is termed as.
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Resting phase
Inter phase
G1 phase
G2 Phase
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