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Biochemistry

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Number of Questions: 25
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Tags: Biochemistry Biology Biology Notes Biology Test Biology Test Papers class XII biology questions Medical Entrance Medical biology AIIMS CBSE biology medical entrance biology Biomolecules Vitamins Proteins Nucleic Acids Photosynthetic Pigments Photosynthetic Pigments and Organelles Plant Physiology Plants and Water Relation Plant Water Relations
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Vitamin K is also known as

  1. tocopherol

  2. phylloquinone

  3. cyanocobalamin

  4. niacin


Correct Option: B

Which of the following diseases is related to blood clotting?

  1. Sickle cell anemia

  2. Parkinson's disease

  3. Von Willebrand's disease

  4. All of these


Correct Option: C

Hemophilia is

  1. a hereditary disease

  2. deficieny of plasma protein factor VIII

  3. Both 1 and 2

  4. None of the above


Correct Option: C

Ceruloplasmin is a type of

  1. metalloprotein

  2. phospholipid

  3. polysaccaharide

  4. None of the above


Correct Option: A

Factor IX is also known as

  1. Hageman factor

  2. Christmas factor

  3. Tissue plasminogen activator

  4. None of above


Correct Option: B

Human genome project was completed in the year

  1. 2002

  2. 2003

  3. 2005

  4. None of these


Correct Option: B

The first chemical compound of C4 pathway in photosynthesis is

  1. RuBP

  2. PEP

  3. oxaloacetic acid

  4. phosphoglycerate


Correct Option: B

The section of the electromagnetic spectrum used for photosynthesis is

  1. infrared

  2. ultraviolet

  3. x - ray

  4. visible light


Correct Option: D

How many type(s) of diabetes is/are there?

  1. 2

  2. 3

  3. 4

  4. 1


Correct Option: B

Cori cycle shuttles between

  1. muscles & pancreas

  2. pancreas & liver

  3. liver and muscles

  4. liver and brain


Correct Option: C

Secondary sex characters are developed due to the secretion of

  1. progesterone

  2. estrogen

  3. FSH

  4. Both a and b


Correct Option: B

Alzheimer is a

  1. metabolic disease

  2. neurological disease

  3. disease of bone

  4. haematological disease


Correct Option: B

Sickle cell anemia is caused due to the mutation of

  1. valine with glutamic acid

  2. glutamic acid with valine

  3. serine with thereonine

  4. thereonine with serine


Correct Option: B

Fastidious organism grows in

  1. precise nutritional and environmental requirements

  2. any nutritional medium

  3. lipid containing media

  4. None of the above


Correct Option: A

Function of DNA topoisomerase II is to

  1. cut the single strand of DNA

  2. cut both the strands of DNA

  3. stabilize both the strands

  4. None of the above


Correct Option: B

Which of the following is/are stop codon(s)?

  1. Opal

  2. Ochre

  3. Amber

  4. All of the above


Correct Option: D

Nested PCR requires

  1. 1 primer

  2. 2 primers

  3. 3 primers

  4. no primers


Correct Option: B

Shine Dalgarno sequence is

  1. AGGAGG

  2. GGAACC

  3. TTTAAA

  4. AAGGAA


Correct Option: A

Noncyclic photosynthesis consists of

  1. PSI and PSII

  2. PSI

  3. PSII

  4. None of these


Correct Option: A

Rho protein helps in

  1. transcription termination

  2. translation

  3. RNA processing

  4. transcription initiation


Correct Option: A

The most recent virus included in the screening of blood donors is

  1. HIV

  2. Hepatitis B

  3. West Nile Virus

  4. Hepatitis C

  5. Syphilis


Correct Option: B

Reiter' s syndrome (in males) is an immune mediated complication of Chlamydia infection. The symptoms include

  1. arthritis

  2. conjunctivitis

  3. hepatitis

  4. Both 1 and 2


Correct Option: A

RNA polymerase has 5 subunits in prokaryotes. They are

  1. 2 á subunits, 1 â subunit, 1 â' subunit, and 1 ù subunit

  2. 1 â subunits, 1 á subunit, 1 á' subunit, and 1 ù subunit

  3. 2 á subunits,2 â subunit, 1 â' subunit, and 1 ì subunit

  4. None of the above


Correct Option: A

Phenylketonuria is caused due to the deficiency of

  1. phenylalanine hydroxylase

  2. dihydropteridine reductase

  3. homogentisic acid oxidase

  4. SAM


Correct Option: A

The function of electron transport proteins in the thyakoid membrane is the

  1. production of ADP by chemiosmosis

  2. production of NADPH by substrate-level phosphorylation

  3. pumping of hydrogens into the thylakoid space for later generation of ATP by chemiosmosis

  4. pumping of hydrogens into the inner cristae space for the later generation of ATP by chemiosmosis


Correct Option: C
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