Wednesday, 11 March 2020

Biology 2nd Year Past Papers Solved MCQs with Answers Test

Hello Welcome to solve MCQs of First year Chapter Wise Multiple Choice Questions with Solutions. Here you will learn 2nd Year Biology Chapter Wise MCQs for Preparations of Exams Tests. All of these MCQs are helpful for upcoming jobs tests of Second Year Class in All Pakistani Students of F.SC Medical and Non-Medical Exams. 2nd Year Biology Chapter Wise MCQs For Punjab Federal Boards of Pakistan Students.

Second Year Biology Objective Type Question Answers For Exams Tests
2nd Year Biology MCQs With Answers


Punjab Board Federal Board 2nd Year Boiology Objective Type Solved MCQs With Answers


Q.1: Which one of the following condition is resulted from excess GH in adults ?

  1. Cushing's disease
  2. Acromegaly
  3. Hyperthyroidism
  4. Diabetes mellitus

B

Q.2: The process during which potassium and hydrogen ions and some toxic substances are put into urine is called ?

  1. Tubular secretion
  2. Reabsorption
  3. Filtration
  4. Countercurrent multiplication

A

Q.3: The means by which recombinant DNA is introduced into a host call is called ?

  1. Plasmid
  2. Carrier
  3. Vector
  4. Lifter

C

Q.4: Fertilization of the ovum normal occurs ?

  1. In the upper thrid of the oviduct
  2. In the lower thrid of the oviduct
  3. In the uterus
  4. Can take place succcessfully in vegina

B

Q.5: In seminiferous tubules repeated division of the germinal epithelium produce ?

  1. Oogonia
  2. Zoogonia
  3. Ovogonia
  4. Spermatogonia

D

Q.6: In Meselson ansd stahl experiment, the DNA from sample at 20 minutes, after centrifugatioon it made sediments at the ?

  1. Top
  2. Bottom
  3. Intermediate
  4. Top And intermediate

C

Q.7: Auxins promote growth of roots from ?

  1. Cutting
  2. Calluses
  3. Both a And b
  4. Layering

C

Q.8: Gonadotropin releasing hormone is responsible for the strimulating release of which hormone ?

  1. LH
  2. Progestrone
  3. Secretin
  4. Insulin

A

Q.9: Which one of the following pairs represents analogous features ?

  1. Elephant tusks And Human incisors
  2. Insects wings And bat wings
  3. Mammal fore limb And bird wing
  4. Reptilian heart And mammalism heart

C

Q.10: A general formula called the hard-Weinberg equation is used for calculating the frequencies of alleles and genotypes in populations at ?

  1. Equilibrium
  2. Balance
  3. Stability
  4. Poise

A

Q.11: Which one is non-directed orientation ?

  1. Taxis
  2. Kinesis
  3. Tropism
  4. Imprinting

B

Q.12: Deficiency of vasopressin or ADH by the pituitary gland leads to a disorder in which the patients kidney have lessoned ability to absorb water is ?

  1. Diabetes mellitus
  2. Diabetes insipidus
  3. Goiter
  4. Exophthalmic goiter

B

Q.13: In the chick the mesodermal cells migrate and caudally from both sides and create a mid line thickening called ?

  1. Primitive streak
  2. Excretion
  3. Ultra-streak
  4. Blastoderm

A

Q.14: Cardiac muscles are muscles of the ?

  1. Liver
  2. Stomach
  3. Kidney
  4. Heart

D

Q.15: Human lungs are spongy due to the presence of million of ?

  1. Bronchi
  2. Alveoli
  3. Bronchioles
  4. Trachea

B

Q.16: Which one of the following would cause the hardy-weinberg principle to be inacurate ?

  1. The size of the population is very large.
  2. Individual mate with one another at random
  3. Natural selection is present
  4. There is no source of new copies of alleles from outside the population

D

Q.17: Origin site of replication is one in ?

  1. Prokaryotes
  2. Eukaryotes
  3. None of these
  4. Both a And b

A

Q.18: If lobster loses its pincer claw a new claw ?

  1. Regenerates
  2. Never develops
  3. IS ready
  4. None of these

A

Q.19: The most important hormone in initiating and maintaning lacation after birth is ?

  1. Estrogen
  2. FSH
  3. Prolatin
  4. Oxytocin

D

Q.20: In 1953 Watson and Crick proposed structure of the ?

  1. RNA molecule
  2. ATP molecule
  3. DNA molecule
  4. NAD molecule

C

Q.21: If the two generations are vegetatively similar such alternation of generation is referred to as ?

  1. Homomorphic
  2. Isomorphic
  3. Heteromorphic
  4. Eumorphic

B

Q.22: Which of the following is the last structure that urine passes through duration its excretion from the body ?

  1. Distal Tubule
  2. Urethra
  3. Urinary bladder
  4. Ureter

B

Q.23: Mitosis may be divided into two phases ?

  1. Karyikinesis And cytokinesis
  2. Karyikinesis And diakinesis
  3. Diakinesis And cytokinesis
  4. Exokinesis And endokinesis

A

Q.24: A probe is a single stranded nucleotide sequence that will hybridize (pair) into a certain piece of ?

  1. DNA
  2. RNA
  3. Amino acid
  4. Fatty acid

A

Q.25: The existing species are the modified descendants of pre-existing ones according to ?

  1. Theory of special creation
  2. Theory of organic evolution
  3. Uniformitarianism
  4. Theory of catatrophe

B



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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