Thursday, 12 March 2020

12th Class Biology Solved Online MCQs Test

Welcome readers here you will learn important most repeated question answers of 12th Class F.SC Part II Biology Question Answers With Solved Objective Type MCQs list. All of these MCQs are helpful for Preparations of Bio exams tests Viva Preparations for Punjab Board and Federal Boards of Pakistan. Many of the websites who charges for these MCQs for Preparations but Solve MCQs Provides you Free Objective Type MCQs Preparations of 2nd Year Biology Question answers MCQs.

Biology Helpful Question Answers In MCQs Quiz Test
Biology MCQs With Answers

2nd Year Biology Solved Question Answers List



Q.1: The amount of energy left plants have met their respiratory needs is net eprimary production which shows up as plant?
  1. Respiration rate
  2. Photosynthesis
  3. Biomass
  4. Food reserve
C
Q.2: In man the vestigial organs are ?
  1. Ear muscles
  2. Nictitating membrane
  3. Coccyx
  4. All a,b and c
C
Q.3: An ezyme that can be used to treat a human Iysosome storage disease is ?
  1. B-galactosidase
  2. a-galactosidase
  3. Glucosidase
  4. Invertase
B
Q.4: In prokaryote within promoter there are two binding sites TTGACA also called -35 sequence and TATAAT also called ?
  1. -10 sequence
  2. - 20 sequence
  3. - 30 sequence
  4. - 35 sequence
A
Q.5: Which evemt si not associated with the activity of expiration ?
  1. Contraction of diaphragm
  2. More dome like shape of diaphragm
  3. Back wardAnd downward movement of rib cage
  4. Relaxation of intercoastals muscles
A
Q.6: Awoman with normal colour vision, whose father was red-green colour blind, married a red-green colour-blind man. What is the probality of her first-born child being red-green colour blind ?
  1. 1.0
  2. 0.75
  3. 0.50
  4. 0.025
C
Q.7: The total energy from the sun is happened by the producers in an ecosystem is about ?
  1. 20 %
  2. 10 %
  3. 5 %
  4. 1 %
B
Q.8: In Griffith experiment mice developed pneumonia when they were injected with ?
  1. R-type bacteria
  2. Heat killed S-type bacteria
  3. Heat killed R-type bases
  4. Heat killed S-type becteria along with live R-type becteria
D
Q.9: If the condon consisted of only two nucleotides, there would be how many possible condons ?
  1. 4
  2. 8
  3. 12
  4. 16
B
Q.10: Every 200 nucleotides the DNA duplex is coiled around a core of eight histone proteins forming a complex known as a ?
  1. Histomone
  2. Nucleosome
  3. Peroxisome
  4. Glyoxisome
B
Q.11: Which of the following hormones is not released by the anterior pituitary ?
  1. Melanocyte - releasing hormone
  2. Gonadotropin-releasing harmone
  3. Thyroid- stimulating hormone
  4. Growth hormone
A
Q.12: The concentrations of cell bodies of neuron are ?
  1. Ganglia
  2. Dendrites
  3. Axons
  4. Nodules
A
Q.13: A woman can be bald only when she is ?
  1. Homozygous domunant
  2. Heterozygous
  3. Homozygous recessive
  4. Maleness
C
Q.14: As distal end humerus forms hinge joint with ?
  1. Radius
  2. Ulna
  3. Tibia
  4. Both a And b
D
Q.15: Commonly used restriction enzyme is ?
  1. Ecor4
  2. Eco R3
  3. EcoR2
  4. EcoR1
D
Q.16: Eukaryotes are thought to have first appeared about -------- billion years ago ?
  1. 1.2
  2. 1.3
  3. 1.4
  4. 1.5
D
Q.17: Shape of the plant cell does not change greatly compared with an animal cell because it is surrounded by a rigid ?
  1. Cell membrane
  2. Capsule
  3. Sheath
  4. Cell wall
D
Q.18: Water used for industrial purposes is about ?
  1. 9%
  2. 90%
  3. 70%
  4. 50%
B
Q.19: Asexual reproduction requires only a single parental organism which gives rise to offspring by ?
  1. Mitotic cell division
  2. Meiotic cell division
  3. Both a and b
  4. None of these
A
Q.20: The sites where nerve impulse is transmitted from the nerve endings to the skeleton muscle cell membranes are the ?
  1. Neucromuscular junctions
  2. Sarcomeres
  3. Myofilaments
  4. Z discs
A
Q.21: Littoral invertebrate animals include ?
  1. Small crustaceans
  2. Insect larvae
  3. Snail flatworms
  4. All a,b,and c
D
Q.22: Identical twins result from the fertilization of ?
  1. One ovum by the sperm
  2. One ovum by the two sperms
Two ova by two sperms Two ova by one sperm
A
Q.23: The protective coat which surrounds the embryo is known as ?
  1. Amnion
  2. Chorion
  3. Allantosis
  4. Chorio Allantoic
A
Q.24: Mammalian kidney including human is adapted to conserve water by over ?
  1. 20.5%
  2. 50%
  3. 99.5%
  4. 70%
C
Q.25: Arthritis covers over 100 different types of inflammatory or degenerative diseases that damage the ?
  1. Legs
  2. Arms
  3. Sutures
  4. Joints
D


F.Sc Part II | 12th Class | 2nd Year Biology Chapter Wise MCQs

TEST 1 || TEST 2 || TEST 3 || TEST 4 || TEST 5 || TEST 6 || TEST 7 || TEST 8 || TEST 9 || TEST 10 || TEST 11

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