Thursday, 12 March 2020

12th Class Biology MCQs For MDCAT Exams Tests

If you have applied in National Testing Service NTS and others related admission tests for Medical College Admission Test you are here on right page. Here you will learn solved MCQs with answers of MCAT and MDCAT exams Entry tests Preparation. All of these Question answers are helpful for Medical Entry test for MBBS in Medical colleges and Universities.

Solved Biology 2nd Year MCQs Questions With Solved Answers
12th Class Biology Question Answers


Biology MCQs For Medical Entry Test preparations MCQs





Q.1: Chances for a son or daughter in human birth are ?
  1. 3:1 between son and daughter
  2. 1:3 between son and daughter
  3. 1:1 between son and daughter
  4. None of them
C
Q.2: Grasslands present in temperate climates are also called ?
  1. Prairies
  2. Pampas
  3. plain
  4. Lowland
A
Q.3: When haemoglobin of the blood is fully saturated with oxygen, the 100cc of blood comains ?
  1. 15cc of oxygen
  2. 20cc of oxygen
  3. 25cc of oxygen
  4. 10cc of oxygen
B
Q.4: Amphibians wriggle along the belly on the gound with the help of segmentally arranged ?
  1. Muscles
  2. Scales
  3. Skin patches
  4. Both a And b
A
Q.5: Fibroblasts and osteoblasts migrate into the fracture site and begin to construct ?
  1. Bone
  2. Cartilage
  3. Muscle
  4. Joint
A
Q.6: in plants regeneration is the basis of plant ?
  1. Fishes
  2. Amphibian
  3. Reptiles
  4. Birds
C
Q.7: How many different kinds of the gametes will be formed by an ndividual , who is hetrozygous for four gene pairs ?
  1. 8
  2. 16
  3. 20
  4. 30
A
Q.8: In succesion lithoseres takes place on ?
  1. Sand
  2. Water
  3. Forest floor
  4. Bare rocks
D
Q.9: The individuals have additional sex chromosome in ?
  1. Klinefelter's syndrome
  2. Turner's syndrome
  3. Down's syndrome
  4. Sach's syndrome
A
Q.10: A willow 10 centimetres (4 inches) high may have a trunk 7 centimetres (3 inches) in diameter and be 50 years old in ?
  1. Taiga
  2. Tundra
  3. Desert
  4. Savanna
B
Q.11: The perennial plants are bushes or cacti with large shallow root systems in ?
  1. Grassland
  2. Deserts
  3. Tundra
  4. Taiga
B
Q.12: Abdomen has a peritoneal cavity lined by a thin epithelium called ?
  1. Pericardium
  2. Peritoneum
  3. Scrotal sac
  4. Pleura
B
Q.13: Cystic fibrosis patients lack a gene that codes for trans-membrane carrier of the ?
  1. Chloride ion
  2. Sodium ion
  3. Potassium ion
  4. Calcium ion
A
Q.14: Embryo implants in the --------- of the uterus ?
  1. Perimetrium
  2. Myometrium
  3. Endometrium
  4. None of These
B
Q.15: The corpus luteum is formed at the site of ?
  1. Fertilization
  2. Ovulation
  3. Mensturation
  4. Implantation
B
Q.16: From beginning of the 3 month of pregnancy the human embryo is referred to as the ?
  1. Foetus
  2. Kid
  3. Kitten
  4. CUb
A
Q.17: Adenine and guanine are called ?
  1. Purines
  2. Pyrmidines
  3. Both a And b
  4. None of these
A
Q.18: O blood has neither A or B antigen but it does have ?
  1. Anti - A antibodies
  2. Anti - B antibodies
  3. Anti - O antibodies
  4. Both a And b
D
Q.19: PCR takes its name from ?
  1. RNA polymerase
  2. DNA polymerase
  3. DNA ligase
  4. Endonuclease
B
Q.20: With in the ovary , progestetrone is produced by the ?
  1. Corpus albicans
  2. Corpus Luteum
  3. Tertairy follicles
  4. Primary follicles
B
Q.21: Each type of the principal type of sensation that we can experience e.g pain touch sight sound and so for this called a modality of ?
  1. Regulation
  2. Susceptibility
  3. Coordination
  4. Sensation
D
Q.22: Two parents, each of blood groups A, have a daughter of blood group O. what is the probality that their next child who has blood gorup O ?
  1. 0.125
  2. 0.25
  3. 0.50
  4. 0.75
C
Q.23: The random loss of alleles in a population is called ?
  1. Mutation
  2. Selection
  3. Gene flow
  4. Genetic drift
D
Q.24: Only 30% of the earth is dry land the remainder being covered with ?
  1. Water
  2. Air
  3. Trees
  4. Grass
A
Q.25: Between the seminiferous tubules are interstitial cells which secrete ?
  1. Cestrogen
  2. Testosterone
  3. Progesterone
  4. Oxytocin
B
Q.26: Gene pool consists of all alleles at all gene loci in all individuals of the ?
  1. Family
  2. Clan
  3. Population
  4. Community
C
Q.27: Antidluretric hormone (ADH) released from posterior pituitary act to actively transport water from filtrate to kidney's ?
  1. Pelvis
  2. Medulla
  3. Cortex
  4. Interstitium
D
Q.28: The process that normally exerts the greatest control over the water balance of an individual is ?
  1. Sweating
  2. Kidney function
  3. Evaporation through the skin
  4. Respiratory loss
B
Q.29: In skletal muscle, calcium facilitates contraction by binding to ?
  1. Tropomyosim
  2. Troponin
  3. Actin
  4. Myosin
C
Q.30: Genes are located at specific loci on ?
  1. Chromatids
  2. Chromosomes
  3. Centromeres
  4. Homologues
B
Q.31: Intelligence is also a case of polygenic inheritance which is strongly influenced by ?
  1. Genes
  2. Environment
  3. Experience
  4. Nature
B
Q.32: Human cells have 46 chromosomes consisting of ?
  1. 20 pairs
  2. 21 pairs
  3. 22 pairs
  4. 23 pairs
D
Q.33: is time between the end of mitosis and initiation of DNA synthesis also called as ?
  1. Pre-DNA synthesis phase
  2. DNA synthesis phase
  3. Post-DNA synthesis phase
  4. None of these
A
Q.34: The electrical potencial of cell membrane of meuron when it is not transmission any signal is called ---------- ?
  1. Resting membrane potencial
  2. Action potencial
  3. Propagation of impulse
  4. Synapse
A
Q.35: As CFC rise to the atmosphere ultraviolet rays release ?
  1. Fluorine
  2. Chlorine
  3. Carbon
  4. Hydrogen
B
Q.36: Three sets of microtubules (fibres) originate from each pair of ?
  1. Glyoxisomes
  2. Iysosomes
  3. Peroxisomes
  4. Centrioless
D
Q.37: If the amount of adenine in DNA of a bacterial cell is 36% of the total nitrogenous bases, what will be the amount of guanone in the DNA of a cell in next generations ?
  1. 14 %
  2. 28 %
  3. 36 %
  4. 64 %
A
Q.38: Fluid secreted by sertoli cells provides sperms ?
  1. Liquid medium
  2. Protection
  3. Nourishment
  4. All a,b,and c
D
Q.39: Blue cone monochromacy is also called ?
  1. Red - green colour blindness
  2. Red - blue colour blindness
  3. Green - blue colour blindness
  4. Yellow - blue colour blindness
A
Q.40: Mammals including human maintain their high body temperature within a narrow range of about ?
  1. 30-32oC
  2. 36-38oC
  3. 32-36oC
  4. 35-37oC
B
Q.41: Luteinizing hormone induces ?
  1. Flowering
  2. Ovulation
  3. Vernalisation
  4. Menopause
B
Q.42: In eukaryotic mRNA molecule there are 90 nucleotide involved in translation process. What is the number of amino acid in the protein formed by this mRNA molecules ?
  1. 29 Amino acids
  2. 30 Amino acids
  3. 45 Amico acids
  4. 90 Amino acids
B
Q.43: Oxygen carryiing capacity of blood does not depend upon ?
  1. Particle pressure of CO2
  2. Particle pressure of O2
  3. Height from sea level
  4. Quantity of blood
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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