Zoology Practice MCQs (Most Important and Expected Questions) NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc. Set 23
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Q.7 which secretion, released into the ailementary canal, contains no enzyme, but speeds up fat digestion?
a) bile b intestinal juice c mucus d pancreatic juicca e None of these
Answer: A
Q.8 which of the following normally enters the blood as it passes through the pancreas?
a) amino acids b glycogen c insulin d lipase e None of these
Answer: C
Q.9 which of the following is the example of discontinuous variation?
a) blood group b height c intelligence d weight e None of these
Answer: A
Q.10 which of the following would be more prominent in a secretory cell than in the non secretory cell?
a) golgi apparatus b mitochondria c ribosomes d pinocytotic vesicles e None of these
Answer: A
Q.11 which of the following is both found in DNA and mRNA?
a) ribose b thyamine c sugar-phosphate chain d double helix structure e None of these
Answer: C
Q.12 which is carried by the molecule of transfer RNA?
a) an amino acid molecule b enzymes for protein synthesis c information from the DNA d sequence of codons e None of these
Answer: A
Q.13 The populations of all the species in a given habitat are referred to as
a) biosphere d community c ecosphere d ecosystem e None of these
Answer: D
Q.14 which of the following is not recycled in ecosystem?
a) carbon b energy c sulphur d water e None of these
Answer: B
Q.15 in most ecosystems, the greatest amount of energy flows through the,
a) secondary consumers b herbivores c carnivores d decomposers e None of these
Answer: D
Q.16 during which phase of meiosis are chiasmata formed?
a) prophase I b metaphase II c metaphase I d telophase II
Answer: A
Q.17 Who proposed the mutation theory of evolution?
a) Lamarck b Darwin c De Vries d Wallace e None of these
Answer: C
Q.18 During which phase of meiosis do homologous chromosomes separate?
a) prophase I b prophase II c anaphase i.e. None of these
Answer: A
Q.19 in a DNA molecule, the basis of Pyrimidine are
a) thymine and cytosine b cytosine and guanine c adenine and thymine d thymine and guanine e None of these
Answer: A