set 5 MCQ Questions & Answers Detailed Explanation
MOST IMPORTANT general science mcq - 5 EXERCISES
The following question based on genetics, evolution of life & ecological biodiversity topic of general science mcq
(a) translation
(b) inserting few genes in DNA
(c) removal of few genes
(d) bringing transversion in chromosomes
The correct answers to the above question in:
Answer: (b)
Ligase helps in inserting few genes in DNA.
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Question : 1
A nucleotide is formed of
a) purine, sugar and phosphate
b) nitrogenous bases, sugar and phosphate
c) purine, pyrimidine and phosphate
d) pyrimidine, sugar and phosphate
Answer »Answer: (b)
Nucleotide is a unit of DNA, which is formed of nitrogenous bases (purines & pyrimidines), sugar (pentose) & phosphate.
Question : 2
About whom is said ‘India’s large wild cat’ has recently become extinct?
a) Tiger
b) Cheetah
c) Leopard
d) Lion
Answer »Answer: (b)
Question : 3
Gaucher’s disease is associated with abnormal metabolism of
a) protein
b) nucleic acid
c) fat
d) carbohydrate
Answer »Answer: (c)
Gaucher’s disease is a genetic disease in which a fatty substance (lipid) accumulates in cells and certain organs. The disorder is characterized by bruising, fatigue, anemia, low blood platelets, and enlargement of the liver and spleen.
Question : 4
According to special creation theory the earth is about
a) 4.5 M yrs old
b) 4.5 B yrs old
c) 4000 yrs old
d) 10000 yrs old
Answer »Answer: (c)
Question : 5
The plant group that produces spores and embryo but lacks vascular tissues and seeds is
a) Bryophyta
b) Pteridophyta
c) Rhodophyta
d) Phaeophyta
Answer »Answer: (a)
Bryophytes are the plants which produces spores and embryo but no vascular tissues are present, although primitive type of conducting tissues are present in the form of hadrome and leptome.
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