Explore topic-wise MCQs in Current Affairs.

This section includes 2103 Mcqs, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.

51.

______ break the fat globules into smaller globules.

A. Bile salts
B. Pepsin
C. Trypsin
D. Amylase
Answer» B. Pepsin
52.

For immediate energy production in cells one should take ________.

A. Glucose
B. Vitamin K
C. Vitamin C
D. Roughage
Answer» B. Vitamin K
53.

Malaria and Kala Azar are caused by:

A. bacteria
B. fungi
C. protozoa
D. virus
Answer» D. virus
54.

In protein synthesis, which RNA plays an important role?

A. m RNA
B. t RNA
C. i RNA
D. r RNA
Answer» B. t RNA
55.

Green leaves make their food by the process of photosynthesis using ________ and water. This happens in the presence of sunlight.

A. Carbon Dioxide
B. Hydrogen
C. Nitrogen
D. Oxygen
Answer» B. Hydrogen
56.

'Chilgoza' a dry fruit is a species of

A. Cycas
B. Pinus
C. Mango
D. Gymnosperm
Answer» C. Mango
57.

Organs having different structure and components but perform similar functions are called ______.

A. Analogous organs
B. Homologous organs
C. Heterogeneous organs
D. Homogenous organs
Answer» B. Homologous organs
58.

Heart beat in the vertebrates

A. Neurogenic
B. Myogenic
C. Both (1) and (2)
D. None of these
Answer» C. Both (1) and (2)
59.

According to five-kingdom system of classification, bacteria and blue-green algae are included in

A. Fungi
B. Monera
C. Plantae
D. Protista
Answer» C. Plantae
60.

A new born breathes nearly ______.

A. 15 to 2 5 times a minute
B. 30 to 60 times a minute
C. 60 to 75 times a minute
D. 80 to 90 times a minute
Answer» C. 60 to 75 times a minute
61.

Hepatitis is a:

A. Protozoan disease
B. Fungal disease
C. Bacterial disease
D. Viral disease
Answer» E.
62.

_______ is an example of a bisexual animal.

A. Cockroach
B. Earthworm
C. Frog
D. Lizard
Answer» C. Frog
63.

Hippocampus is a

A. Protochordate
B. Fish
C. Mammal
D. Coelenterate
Answer» C. Mammal
64.

Basis of lamarkism is:

A. Natural selection
B. Mutation
C. Variations
D. Inheritance of acquired charaters
Answer» E.
65.

Gregor Mendel's basic Law of Heredity is based on his work on which vegetable?

A. Asparagus
B. Peas
C. Beans
D. Corn
Answer» C. Beans
66.

Bubonic plague is transmitted through the biteof

A. Xenopsylla-cheopis
B. Pediculus humanus
C. Glossina palpalis
D. Aedes aegypti
Answer» B. Pediculus humanus
67.

Cattle and buffalo belongs to the family

A. Cammelidae
B. Suidae
C. Equidae
D. None of these
Answer» E.
68.

Lack of Vitamin D can lead to ________, in which weakness is observed in children whereas aches and pains are observed in adults owing to calcium-deficiency in bones, called osteocalcin.

A. Rickets
B. Scurvy
C. Anemia
D. Beriberi
Answer» B. Scurvy
69.

Multicellular rhizoids with oblique septa are found in

A. Anthoceros
B. Funaria
C. Riccia
D. Marchantia
Answer» C. Riccia
70.

Osteoporosis and arthritis affect the ______.

A. blood
B. teeth
C. skin
D. bones and joints
Answer» E.
71.

A normal human respires in a minute ________.

A. 10 - 15 times
B. 14 - 18 times
C. 35 - 45 times
D. 45 - 55 times
Answer» C. 35 - 45 times
72.

CO2 accepter in C4 cycle is

A. RUBP
B. PEP
C. PGA
D. Malic acid
Answer» C. PGA
73.

__________ character predominates and is clearly seen in FI Generation.

A. Inherited
B. Allele
C. Dominated
D. Recessive
Answer» D. Recessive
74.

For which disease, Ministry of Health and Family Welfare has launched 'Test and Treat' policy?

A. Chicken pox
B. HIV
C. Polio
D. Tuberculosis
Answer» C. Polio
75.

AIDS is caused by

A. Rickettssia
B. Fungus
C. Bacteria
D. Virus
Answer» E.
76.

In the human blood grouping, the four basic blood types are type A, type B, type AB, and type O. the blood proteins a and B are:

A. Simple dominant and recessive traits
B. Co-dominant traits
C. Recessive traits
D. Inherited traits
Answer» C. Recessive traits
77.

Photosynthesis fulfills which of the following requirements of the autotrophic organisms?I. CarbonII. WaterIII. Energy

A. Only I
B. Only III
C. I and III
D. All I, II and III
Answer» D. All I, II and III
78.

In humans, each cell normally contains _________ pairs of chromosomes.

A. 22
B. 24
C. 23
D. 21
Answer» D. 21
79.

In India, Indus Dolphin one of the world's rarest mammals, is mainly found in which one of the following rivers?

A. Ganga
B. Cauvery
C. Brahmaputra
D. Beas
Answer» E.
80.

Plants which can survive in very less water are called as ________.

A. Halophytes
B. Xerophytes
C. Heliophytes
D. Saprophytes
Answer» C. Heliophytes
81.

'Megaptera novaeangliae' is commonly known as ________.

A. Bumblebee
B. Tree frog
C. African wild cat
D. Humpback whale
Answer» E.
82.

People who consume maize as the main cereal in their diet are susceptible to?

A. Kwashiorkor
B. Pellagra
C. Scurvy
D. Beri-beri
Answer» E.
83.

Arrange the following organisms in their decreasing power of regeneration.i. Lizardii. Planariaiii. Maniv. Earthwormv. Eagle

A. ii, i, iv, v iii
B. ii, v, iv, i, iii
C. ii, iv, i, v, iii
D. ii, iv, v, i, iii
Answer» D. ii, iv, v, i, iii
84.

Parthenocarpy is defined as ________.

A. Development of root with fertilization
B. Development of fruit with fertilization
C. Development of root without fertilization
D. Development of fruit without fertilization
Answer» E.
85.

Endoplasmic Reticulum are rough because of _____ present on their surface.

A. Golgi bodies
B. Plastids
C. Lysosomes
D. Ribosomes
Answer» E.
86.

Animals belonging to phylum ________ are fundamentally characterised by the presence of a notochord, a dorsal hollow nerve cord and paired pharyngeal gill slits.

A. Annelida
B. Chordata
C. Arthropoda
D. Platyhelminthes
Answer» C. Arthropoda
87.

How does the pH change from the mouth to the anus in the digestive system?

A. Alkaline - acidic - alkaline
B. Acidic - alkaline - acidic
C. Acidic - alkaline
D. Alkaline - acidic
Answer» D. Alkaline - acidic
88.

In roots, the protoxylem lies towards periphery and metaxylem lies towards the centre. Such arrangement of primary xylem is called __________.

A. Xylem fibres
B. Xylem parenchyma
C. Exarch
D. Endarch
Answer» D. Endarch
89.

Along the path of the Vas deferens which glands add their secretions in the sperms?I. ProstateII. Seminal vesiclesIII. Scrotum

A. Only I and III
B. Only I and II
C. Only II and III
D. All I, II and III
Answer» C. Only II and III
90.

Meiosis occurs in

A. All somatic cells
B. All germ cells
C. Gametes
D. In sperms
Answer» C. Gametes
91.

In humans, sound is produced by which organ?

A. Larynx
B. Tongue
C. Lungs
D. Diaphragm
Answer» B. Tongue
92.

Bleeding of gums and delayed healing of wounds is caused due to the deficiency of which of the following vitamins?

A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D
Answer» D. Vitamin D
93.

Course of blood circulation in human heart is

A. Left atrium → Right ventricle → Left ventricle → Right atrium
B. Left ventricle → Left atrium → Lungs → Right atrium → Right ventricle
C. Right atrium → Right ventricle → Lungs → Left atrium → Left ventricle
D. Left atrium → Left ventricle → Lungs → Right atrium → Right ventricle
Answer» D. Left atrium → Left ventricle → Lungs → Right atrium → Right ventricle
94.

Identify a mollusc from the following.

A. Spider
B. Octopus
C. Hydra
D. Tapeworm
Answer» C. Hydra
95.

Based on the common features like presence of notochord and dorsal hollow neural system, animals like fishes, amphibians, reptiles, birds along with mammals are included in which Phylum?

A. Mammalia
B. Chordata
C. Primata
D. Insecta
Answer» C. Primata
96.

_____ of the stems and roots also store nutrients and water.

A. Parenchyma
B. Xylem
C. Collenchyma
D. Sclerenchyma
Answer» B. Xylem
97.

Cup shaped chloroplast is found in:

A. Spirogyra
B. Chlamydomonas
C. Oedogonium
D. Ectocarpus
Answer» C. Oedogonium
98.

Milk fever is a type of disease-

A. Bacterial
B. Viral
C. Protozoan
D. Metabolic
Answer» E.
99.

In the sketch of the stomatal apparatus given below, which one of the following is missing?

A. Cell membranes of the cells
B. Cell walls of the cells
C. Chloroplasts in the guard cell
D. Nuclei in the guard cell
Answer» E.
100.

In blood, platelets are required for:

A. transporting oxygen
B. transporting carbon dioxide
C. initiating blood clotting
D. initiating degradation of urea
Answer» D. initiating degradation of urea