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10583 Questions

761

Which of the following is a copper containing protein in electron transport chain?

A. Plastoquinone B. Cytochrome-C C. Plastocyanin D. Ferredoxin

762

Phenotype is:

A. The genetic complement i.e the genes in an individual for a particular trait B. Partner of gene pair C. The form of appearance of a trait D. The position of a gene on the chromosome

763

In complete dominance:

A. Different alleles of a gene are both expressed in heterozygous condition B. One allele (R) is completely dominant over the other (r) and the presence of recessive allele is functionally hidden the heterozygote (Rr) has the same phenotype as (RR) heterozygote C. The phenotype of the heterozygote is intermediate between phenotypes of the homozygotes D. Gene mutation may produce many different alleles of a gene

764

The cells in our body are all genetically identical apart from the:

A. Somatic cells B. Reproductive cells C. Muscle fibers D. White blood cells

765

Transcription is the process in which an RNA copy of the DNA sequence and coding the gene is produced with help of an enzyme called:

A. DNA polymerases B. RNA polymerase C. DNA transcriptase D. RNA transcriptase

766

The particular array of chromosomes that an individual process is called its:

A. Genotype B. Phenotype C. Karyotype D. Allele

767

At what phase the DNA content of a cell is doubled?

A. Prophase B. Interphase C. Anaphase D. Telophase

768

Which statement correctly describes transcription of DNA?

A. It produces amino acids B. It produces messenger RNA C. It results in increased DNA synthesis D. It is a semi conservative process

769

What is the effect of DNA ligase?

A. DNA is broken up at specific sites B. DNA fragments are joined together C. DNA replication occurs D. DNA transcription occurs

770

The end product of glycolysis in aerobic respiration is:

A. Ethanol and carbon dioxide B. Lactate C. Pyruvate D. Acetyl CoA

771

The complete, mature and infection virus particle is known as:

A. Venome B. Genome C. Virion D. Capsid

772

Select a method which cause the oxidation of constituent of a bacterial cell:

A. Steam B. Filtration C. Dry heat D. Radiation

773

Red algae do not contribute towards:

A. Forming limestone deposits B. Making coral reefs C. Making fertilizers D. Forming chalk deposits

774

Photophosphorylation takes place in the ___ of the chloroplasts.

A. Stroma B. Granum C. Inner membrane D. Outer membrane

775

Select an anniote from the following:

A. Snake B. Frog C. Parrot D. Crocodile

776

In roots the apoplast pathway of water is disrupted when water reaches:

A. Plasmodesmata B. Cortex C. Endodermis D. Pith

777

Antibodies are manufactured in?

A. T lymphocytes B. Red blood cells C. Platelets D. B Lymphocytes

778

Which one of the following is not the characteristic of viruses?

A. They do not excrete B. They do not respire C. They do not have the ability to reproduce D. They can be crystallized

779

The word hepatitis means inflammation of the:

A. Pancreas B. Liver C. Spleen D. Gall bladder

780

The resting membrane potential of neuron is measured about:

A. -30 millivolts B. -50 millivolts C. -70 millivolts D. -100 millivolts

Guinness World Records (General Knowledge Focus) MCQs with Answers & Explanations (Page 39)

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