Guinness MCQs for Khuddam-ul-Hujjaj/ Nazims

1841

______ is a junction between two neurons or between a motor neuron and a muscle cell:

A. Impulse B. Synapse C. Axon D. Cleft

1842

Which of the following hormones of the pituitary gland regulate the menstrual cycle?

A. Follicle stimulating hormone and estrogen B. Luteinizing hormone and estrogen C. Follicle stimulating hormone and luteinizing hormone D. Estrogen and progesterone

1843

Haemophilia A and B, colour blindness and testicular feminization are example of:

A. X - linked dominant trait B. Y - linked recessive trait C. Pseudotausosomal trait D. None of these

1844

In which type of cell, Cell wall is not present?

A. Plant cell B. Fungal cells C. Bacterial cells D. Liver cells

1845

70S size ribosomes are found in the cells of:

A. Algae B. Protozoans C. Fungi D. Bacteria

1846

According to the fluid mosaic model of cell membrane, which zone is embedded inside?

A. Hydrophobic B. Globular C. Hydrophilic D. Filamentous

1847

The membrane separating the vacuole from cytoplasm is called:

A. Cristae B. Cisternae C. Tonoplast D. Vacuolar membrane

1848

Select the one which is not a function of smooth endoplasmic reticulum (SER)?

A. Metabolism of lipids B. Transmission of impulses C. Transport of materials D. Processing of glycoproteins

1849

Which of the following organelles are involved in the synthesis of plant cell wall?

A. Endoplasmic reticulum B. Golgi complex C. Lysosomes D. Peroxisomes

1850

Which of the following is an unsaturated fatty acid?

A. Oleic acid B. Palmitic acid C. Butyric acid D. Acetic acid

1851

Monosaccharides have a general formula represented by:

A. Cn(H2O)n B. C(H2O)n C. C2(HO)n D. C2(H2O)n

1852

NAD is an example of:

A. Mononucleotide B. Dinucleotide C. Trinucleotide D. Tetranucleotide

1853

First stable compound during Calvin cycle is:

A. 3-phosphoglycerate B. Glyceraldehyde 3-phosphate C. 1,3 bisphosphoglycerate D. Ribulose biphosphate

1854

What is the function of ribulose?

A. Intermediate in photosynthesis B. Respiratory fuel C. Intermediate in cellular respiration D. Component of DNA and RNA

1855

Which of the following processes does not need pyruvic acid as a substrate?

A. Alcohol fermentation B. Calvin cycle C. Aerobic respiration D. Lactic acid fermentation

1856

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

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

1857

Phenotype is ?

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

1858

In complete dominance :

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

1859

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

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

1860

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

Guinness World Records (General Knowledge Focus) MCQs with Answers & Explanations (Page 93)

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