

MCQOPTIONS
Saved Bookmarks
This section includes 1412 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.
951. |
Molecular clocks are based on the idea that _____. |
A. | On average neutral mutations arise at a constant rate |
B. | Directional selection occurs at a constant rate |
C. | Mutations occur once every generation |
D. | Molecules resonate at a certain frequency that can be measured |
Answer» D. Molecules resonate at a certain frequency that can be measured | |
952. |
Mitochondrial DNA analysis is best suited for |
A. | analysis in which only a minute quantity of DNA material is available |
B. | Forensic science analysis |
C. | analysis requiring greater discriminatory power than STR |
D. | All of the above |
Answer» C. analysis requiring greater discriminatory power than STR | |
953. |
Mesothelioma is a type of cancer. The most common area affected in it is the lining of the ________. |
A. | heart |
B. | brain |
C. | stomach |
D. | lungs |
Answer» E. | |
954. |
Metastasis is the process by which _________ |
A. | Cell divide rapidly under the influence of drugs |
B. | Cancer cell spread through the blood or lymphatic system to other site or organs |
C. | The Chromosome in cell nuclei are attached to the soindle before moving to the anaphase poles |
D. | Cancer cells are successfully inhibited to divide any further |
Answer» C. The Chromosome in cell nuclei are attached to the soindle before moving to the anaphase poles | |
955. |
Menstruation is triggered by a drop in the levels of |
A. | progesterone |
B. | relaxin |
C. | FSH |
D. | LH |
Answer» B. relaxin | |
956. |
Membrane bound organelles are not found in the cells of |
A. | Eukaryotes |
B. | Prokaryotes |
C. | Both A & B |
D. | Nokaryotes |
Answer» C. Both A & B | |
957. |
Melvin calvin got Noble Prize for his studies on |
A. | Light reaction |
B. | Plant hormones |
C. | Carbon fixation |
D. | Photons |
Answer» D. Photons | |
958. |
Meiosis starts with a single diploid cell and produces 4 haploid cells. |
A. | 1 |
B. | |
C. | |
D. | |
Answer» B. | |
959. |
Meiosis ii is similar to mitosis in that |
A. | the daughter cells are diploid |
B. | sister chromatids separate during anaphase |
C. | DNA replicates before the division |
D. | All of the above |
Answer» D. All of the above | |
960. |
Meibomian glands are located in |
A. | Eye |
B. | Ear |
C. | Nose |
D. | Skin |
Answer» B. Ear | |
961. |
Maximum fixation of solar energy is done by |
A. | Fungi |
B. | Protozoa |
C. | Bacteria |
D. | Green plants |
Answer» E. | |
962. |
Medulla oblongata is a part of which of the following? |
A. | Heart |
B. | Brain |
C. | Lungs |
D. | Stomach |
Answer» C. Lungs | |
963. |
Match the following._x005F_x000D_ Digestive Input          Output_x005F_x000D_ I. Proteins              1. GlycerolII. Carbohydrates         2. AminoacidsIII. Fats                3. Glucose_x005F_x000D_ |
A. | I-2, II-3, III-1 |
B. | I-1, II-3, III-2 |
C. | I-2, II-1, III-3 |
D. | I-3, II-2, III-1 |
Answer» B. I-1, II-3, III-2 | |
964. |
Match the following._x005F_x000D_ Â _x005F_x000D_ _x005F_x000D_ |
A. | I – 2, II – 3, III – 1_x005F_x000D_ |
B. | I – 1, II – 3, III – 2_x005F_x000D_ |
C. | I – 2, II – 1, III – 3_x005F_x000D_ |
D. | I – 3, II – 2, III – 1 |
Answer» E. | |
965. |
Match the following._x005F_x000D_ _x005F_x000D_ |
A. | I – 2, II – 3, III – 1 |
B. | I – 1, II – 3, III – 2 |
C. | I – 3, II – 1, III – 2 |
D. | I – 3, II – 2, III – 1 |
Answer» D. I – 3, II – 2, III – 1 | |
966. |
Mangroves are plants that have |
A. | Modified Roots |
B. | Modified Stems |
C. | Respiratory Roots |
D. | Respiratory Stems |
Answer» D. Respiratory Stems | |
967. |
Marasmus usually is associated with a deficiency of |
A. | Vitamins |
B. | Calories |
C. | Proteins |
D. | Fats |
Answer» C. Proteins | |
968. |
Man has...............pairs of salivary glands |
A. | 4 |
B. | 6 |
C. | 3 |
D. | 8 |
Answer» D. 8 | |
969. |
Man has _____ pairs of salivary glands |
A. | 3 |
B. | 4 |
C. | 6 |
D. | 8 |
Answer» B. 4 | |
970. |
Majority of the fungal bionts of lichens belong to |
A. | Baridiomycetes |
B. | Ascomycetes |
C. | Gomycetes |
D. | Deuteromycetes |
Answer» C. Gomycetes | |
971. |
Major fructose sources include |
A. | Fruit juices |
B. | Corn syrup |
C. | Honey |
D. | All of the above |
Answer» E. | |
972. |
Lysosome is formed from which of the following cell organelles? |
A. | Nucleus |
B. | Endoplasmic reticulum |
C. | Golgi bodies |
D. | Ribosomes |
Answer» D. Ribosomes | |
973. |
Main function of white blood corpuscles is _______ |
A. | Transport of carbon dioxide |
B. | Transport of oxygen |
C. | To produce immune system of body |
D. | None of these |
Answer» D. None of these | |
974. |
Lysogeny can result in all of the following except |
A. | Acquisition of new characteristics by the host cell |
B. | Transduction of specific genes |
C. | Immunity to reinfection by the same phage. |
D. | Immunity to reinfection by any phage |
Answer» E. | |
975. |
Lysergic acid diethylamide (LSD) is a drug used as a |
A. | Sedative |
B. | Hallucinogen |
C. | Steroid |
D. | Analgesic |
Answer» C. Steroid | |
976. |
Lymph carries digested and absorbed fat from ______. |
A. | lungs |
B. | intestine |
C. | stomach |
D. | kidney |
Answer» C. stomach | |
977. |
Lungs are the primary organs of _________. |
A. | Digestion |
B. | Constipation |
C. | Perspiration |
D. | Respiration |
Answer» E. | |
978. |
Locust, Butterfly, Scorpion and Prawn are all examples of which Phylum? |
A. | Annelida |
B. | Chordata |
C. | Arthropoda |
D. | Platyhelminthes |
Answer» D. Platyhelminthes | |
979. |
Localized area of pus formation in the lungs? |
A. | Pleural effusion |
B. | Pulmonary abscess |
C. | Pleurisy |
D. | Pulmonary edema |
Answer» C. Pleurisy | |
980. |
Localized area of pus formation in the lungs is |
A. | Pulmonary embolism |
B. | Pulmonary abscess |
C. | Pleurisy |
D. | Pulmonary edema |
Answer» C. Pleurisy | |
981. |
Lipids that are solid at room temperature are known as |
A. | Oils |
B. | Steroids |
C. | Fats |
D. | Triglyceroids |
Answer» D. Triglyceroids | |
982. |
Lichen is an association between which of the two ? |
A. | Algae and fungus |
B. | Algae and tree |
C. | Fungus and tree |
D. | Bacteria and legume plant |
Answer» B. Algae and tree | |
983. |
Lobar Pneumonia refers to a lung infection in which it affects |
A. | large part of the lobe or lung |
B. | small segment of the lung |
C. | both lungs |
D. | None of the above |
Answer» B. small segment of the lung | |
984. |
Limbs of frog, lizard, bird and human are example of ______ organs. |
A. | Homogenous |
B. | Heterogeneous |
C. | Analogous |
D. | Homologous |
Answer» E. | |
985. |
Light compensation zone refers to |
A. | where light is available in plenty |
B. | where light is maximum |
C. | beyond which light does not penetrate |
D. | where all light is used |
Answer» D. where all light is used | |
986. |
Leukorrhea may be associated with |
A. | Cervicitis |
B. | Ovarian Cysts |
C. | Eclampsia |
D. | Menorrhagia |
Answer» B. Ovarian Cysts | |
987. |
Lathyrism is caused by excess consumption of....... |
A. | Khesari Dal |
B. | Mustard oil |
C. | Mushrooms |
D. | Polished rice |
Answer» B. Mustard oil | |
988. |
Leptospirosis is a disease caused by |
A. | Virus |
B. | Fungus |
C. | Protozoa |
D. | None |
Answer» E. | |
989. |
Leprosy is also Known as |
A. | Angina |
B. | Hansen's disease |
C. | Gaucher disease |
D. | Hodgkin disease |
Answer» C. Gaucher disease | |
990. |
Lamarck's theory of inheritance of acquired characters was challenged by |
A. | August Weismann |
B. | Hugo de Vries |
C. | Herbert Spencer |
D. | Carl Linnaeus |
Answer» D. Carl Linnaeus | |
991. |
L-Dopa is used to treat_x005F_x000D_ Â _x005F_x000D_ |
A. | Pneumonia |
B. | Alzheimer's disease |
C. | Parkinson's disease |
D. | Breast cancer |
Answer» D. Breast cancer | |
992. |
Kyoto Protocol is associated with |
A. | Species conservation |
B. | Climate change |
C. | Wetland Conservation |
D. | Medicinal plants |
Answer» C. Wetland Conservation | |
993. |
Lacrymal glands are situated in the |
A. | Palms |
B. | Buccal cavity |
C. | Buccal cavity |
D. | Stomach |
Answer» D. Stomach | |
994. |
Kwashiorkor disease in children is caused by |
A. | sufficient carbohydrates but less fats in diet |
B. | sufficient carbohydrates and fats but deficient proteins in diet |
C. | sufficient vitamins but deficient fats in diet |
D. | sufficient fats but deficient vitamins in diet |
Answer» C. sufficient vitamins but deficient fats in diet | |
995. |
Kind of cell that does not have a nucleus |
A. | Eukaryotes |
B. | Prokaryotes |
C. | Erthrocytes |
D. | Platelets |
Answer» C. Erthrocytes | |
996. |
karl Landsteiner discovered |
A. | Blood corpuscles |
B. | Blood groups |
C. | Blood vessels |
D. | Proteins in Blood |
Answer» C. Blood vessels | |
997. |
Islets of Langerhans are present in |
A. | Kidney |
B. | Liver |
C. | Pancreas |
D. | Trachea |
Answer» D. Trachea | |
998. |
Is a mushroom an autotroph? |
A. | 1 |
B. | |
C. | |
D. | |
Answer» C. | |
999. |
Involuntary muscles are controlled by the |
A. | Central nervous system |
B. | Autonomic nervous system |
C. | Peripheral nervous system |
D. | All the above |
Answer» C. Peripheral nervous system | |
1000. |
Involuntary actions in human beings such as blood pressure, salivation and vomiting are controlled by the |
A. | Spinal cord |
B. | Hypothalamus |
C. | Pons |
D. | Medulla |
Answer» E. | |