Thursday, 4 April 2019

Biology Solved MCQs Dogar Sons

Many of the Dogar Brothers and Dogar Sons Books Biology MCQs are solved. Here i am sharing latest MCQs of Dogar Sons Important MCQs of biology question answer. PPSC Exams for Medical Officer jobs Biology Solved MCQs Online Quiz Exams Test. All general biology questions and Answers List.

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Biology Online MCQs For Interviews and VIVA Tests for all classes. Medical jobs for MBBS in Govt and Private Hospitals Interviews and screening tests online exams Preparations with quiz tests. All Medical Students of MDCAT Multiple Choice Objective Type Quiz with Online MCQs Test.

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Test 1 || Test 2 || Test 3 || Test 4 || Test 5 || Test 6 || Test 7 || Test 8 || Test 9 || Test 10 || Test 11 || Test 12 || Test 13 || Test 14 || Test 15 || Test 16 || Test 17 || Test 18 || Test 19 || Test 20 || Test 21 || Test 22 || Test 23 || Test 24 || Test 25

Biology MCQs Quiz Tests With Answers List

Q 1: Kingdom Fungi includes------ ?

  1. A cellular, eukaryotic organisms
  2. Non-chlorophylls, multicellular eukaiyotlc organisms
  3. Non-chlorophylls, multioellular,thailophytic organisms
  4. Chlorophyllus, multicellular, eukaryotic Organisms

C

Q 2: A group of very similar inter breeding organisms constitutes ?

  1. Biosphere
  2. Ecosystem
  3. Population
  4. Species

D

Q 3: The Science of growing terrestrial plants in an aerated solution is-------- ?

  1. Hydrodynamics
  2. Hydroponics
  3. Hydrotonics
  4. None of them

B

Q 4: Which are the four most abundant elements in living cells ?

  1. carbon, oxygen, hydrogen, nitrogen
  2. carbon, oxygen, sulfur, phosphorus
  3. carbon, oxygen, nitrogen, sulfur
  4. carbon, sulfur, hydrogen, magnesium

A

Q 5: Which is a parasitic plant ?

  1. cuscuta
  2. rose
  3. ferns
  4. mosses

A

Q 6: Under a compound microscope chromosome is made of arms and--------- ?

  1. Centromere
  2. Centrosome
  3. Chromatid
  4. Centromere

D

Q 7: PCR stand for ------- ?

  1. Polymerase chain reaction
  2. Poly carbomyl reaction
  3. Peptide chain reaction
  4. Pentapeptide chain reaction

A

Q 8: ---------- is concerned with cell secretions ?

  1. Endoplasmic reticulum
  2. Golgi complex
  3. Lysosomes
  4. Cell membrane

B

Q 9: Who coined the term CELL ?

  1. Schwann
  2. Schleiden
  3. Robert Hook
  4. Both a and b

C

Q 10: Percentage of proteins in cell membrane is---------- ?

  1. 20-40%
  2. 40-50%
  3. 60-80%
  4. 80-100%

C

Q 11: Sapwood is formed from--------- ?

  1. Primary xylem
  2. Primary phloem
  3. Secondary xylem
  4. Secondary phloem

C

Q 12: Number of nuclear pores/nucleus in an RBC are------- ?

  1. 1?3
  2. 3?4
  3. 10000
  4. 30000

D

Q 13: Which step causes activation of catalytic site of an enzyme-------- ?

  1. Change in pH of the surroundings.
  2. Formation of Enzyme Susstrate complex.
  3. Change in the charge of the active site.
  4. Change in temperature

B

Q 14: Which statement about enzyme is incorrect---------- ?

  1. Some of them consist solely of protein with no non protein part.
  2. They catalyze a chemical reaction without being utilized.
  3. All enzymes are fibrous Proteins.
  4. They without their cofactor are called apoenzyme.

C

Q 15: If the concentration of enzyme is kept constant and amount of substrate is increased a point is reached where increase in substrates concentration does not affect the reaction rate because of--------- ?

  1. Enzymes get denatured at higher substrate conc
  2. Rate of reaction is indirectly proportional to substrate concentration at this point
  3. All the active sites on enzyme molecule are occupied
  4. None of these

C

Q 16: A substance which binds at the active site of the enzyme but does not result in the formation of the products is Called------- ?

  1. Irreversible inhibitor
  2. Reversible inhibitor
  3. Competitive inhibitor
  4. Non-competitive inhibitor

C

Q 17: Which one is the basic element of organic compounds -------- ?

  1. Oxygen
  2. Hydrogen
  3. Sulphur
  4. Carbon

D

Q 18: Primary structure of proteins determines-------- ?

  1. Number of polypeptide chains involved
  2. Bending of polypeptide chains
  3. Amino acid sequence
  4. Coiling of polypeptide chains

C

Q 19: Which one is soluble in hot water--------- ?

  1. Starch
  2. Glycogen
  3. Amylose
  4. Amylopectin.

C

Q 20: The cell wall of oomycetes is chiefly composed of------- ?

  1. Chitin
  2. Cellulose
  3. Lignin
  4. Proteins

B

Q 21: Which one the following fatty acid is more soluble in an organic solvent and has higher melting point------- ?

  1. Acetic acid
  2. Butyric acid
  3. Palmitic acid
  4. All have same

C

Q 22: Chemical component/s less in eukaryotic cell as compared to prokaryotic cell is / are (i) lipids (ii) carbodydrates (iii) proteins (iv) DNA------ ?

  1. i & ii
  2. iii & iv
  3. i ii iii & iv
  4. iv only

D

Q 23: Locomotory structures are not found in which of the following group ?

  1. Amoebas
  2. Zooflagellates
  3. Ciliates
  4. Apicomplexans

D

Q 24: Which structural organization is most common in globular proteins------ ?

  1. Primary
  2. Secondary
  3. Tertiary
  4. Quaternary

C

Q 25: The first organism of whose genome was completely discovered was--------- ?

  1. Human beings
  2. Influenza Virus
  3. Hemophilus Influenza
  4. None of these

C

Q 26: The type of learning in which there is loss or decrease in response to repeated stimuli ?

  1. Habituation
  2. Imprinting
  3. Latent learning
  4. Insight learning

A

Q 27: Triglyceride is also known as--------- ?

  1. Natural lipid
  2. Neutral lipid
  3. Neutral wax
  4. All of these

B

Q 28: Most of the cellular secretions are -------- in nature ?

  1. Glycoproteins
  2. Glycolipids
  3. Nucleohistones
  4. Proteins

A

Q 29: The first eukarotes appeared about ---------- years ago ?

  1. 1.5 billion
  2. 2.5 billion
  3. 3.5 billion
  4. 4.5 billion

A

Q 30: DNA or RNA of viruses is enclosed in --------------- coat ?

  1. Protein
  2. Carbohydrate
  3. Lipid
  4. DNA

A

Q 31: Which of the statement about viruses is incorrect------- ?

  1. We can not grow them in laboratories on artificial medias
  2. They are obligate intracellular parasite.
  3. They can synthesize their nucleic acid
  4. They are resistant to most of antibiotic treatment

C

Q 32: An enzyme which can convert single stranded RNA into double stranded viral DNA is called------- ?

  1. DNAase
  2. RNAase
  3. DNA polymerase
  4. Reverse Transcriptase

D

Q 33: Dipeptides into amino acids are are converted through------- ?

  1. Amino peptidase
  2. Erypsin
  3. Pepsin
  4. Trypsin

B

Q 34: Loss of appetite due to the fear of becoming obese is-------- ?

  1. Anorexia nervosa
  2. Bulimia nervosa
  3. Piles
  4. Dyspepsia

A

Q 35: Of the following, which one has more variety of nutrition--------- ?

  1. Animals
  2. Bacteria
  3. Plants
  4. Fungi

A

Q 36: A painful burning sensation produced in the chest cavity usually associated with the back flush of acidic chyme into the esophagus is------ ?

  1. Pyrolysis
  2. Pyrosis
  3. Peristalsis
  4. Dyspepsia

B

Q 37: PastQuestionHere ?

  1. Ahmad
  2. Usman
  3. Farhan
  4. Mustafah

B

Q 38: PastQuestionHere ?

  1. Ahmad
  2. Usman
  3. Farhan
  4. Mustafah

B

Q 39: PastQuestionHere ?

  1. Ahmad
  2. Usman
  3. Farhan
  4. Mustafah

B

Q 40: How many species of mushrooms are edible ?

  1. 100
  2. 3000
  3. 200
  4. 4000

C

Q 41: According to two kingdom classification fungi were placed in kingdom---------- ?

  1. Plantae
  2. Animalia
  3. Protista
  4. Fungi

A

Q 42: Type of lichen which tightly attaches to rocks is------- ?

  1. Parmelia
  2. Fruticose
  3. Foliose
  4. Crustose

D

Q 43: Examples of Rhodophytes are--------- ?

  1. Chondrus
  2. Polysiphonia
  3. Both of these
  4. Pinnularia

C

Q 44: Based on molecular data euglenoids are thought to be closely related to--------- ?

  1. Dinoflagellates
  2. Zooflagellates
  3. Protozoans
  4. Algae

B

Q 45: The only group of algae having no flagellated motile cells at any stage is-------- ?

  1. Chrysophyta
  2. Phaeophyta
  3. Pyrrophyta
  4. Rhodophyta

D

Q 46: In bacterial categories the bacteria smaller in number are-------- ?

  1. Gram-ive bacteria
  2. Eubacteria
  3. Ancient bacteria
  4. Gram +ive bacteria

C

Q 47: Which of the following help cyanobacteria to locomote ?

  1. Flagella
  2. Gas vesicles
  3. Both of these
  4. None of these

B

Q 48: Sex pill is formed in which of the following processes ?

  1. Binary fission
  2. Mitosis
  3. Sexual reproduction
  4. Conjugation

D

Q 49: Which of the following structure primarily helps in attachment of bacteria on various surfaces------- ?

  1. Flagella
  2. Pili
  3. Both of these
  4. None of these

B

Q 50: All of the following are coelomates except:-------- ?

  1. Deuterosomes
  2. Proterosomes
  3. Hemichordates
  4. Aschelminthes

D