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.

1051.

Cristae are the folds of inner membrane present in which of the following cell organelle?

A. Golgi
B. Mitochondria
C. Lysosomes
D. Ribosomes
Answer» C. Lysosomes
1052.

Match the following:Respiratory PigmentAnimal/Animal groupa. HaemoglobinI. Annelidab. ChlorocruorinII. Vertebratesc. HemerythrinIII. Lingulad. HaemocyaninI/v. Molluscs

A. a - II, b - III, c - I, d - IV
B. a - II, b - I, c - III, d - IV
C. a - III, b - II, c - IV, d - I
D. a - IV, b - III, c - I, d - II
Answer» C. a - III, b - II, c - IV, d - I
1053.

In which part of the flower does fertilisation take place?

A. Stigma
B. Style
C. Ovary
D. Filament
Answer» D. Filament
1054.

Nuclear membrane is absent in organisms that fall under kingdom ______.

A. Monera
B. Plantae
C. Animalia
D. Fungi
Answer» B. Plantae
1055.

Proteins are an integral part of-

A. Cell membrane
B. All of the options
C. Antibodies
D. Enzymes
Answer» C. Antibodies
1056.

Identify the largest muscle in the human body.

A. Sartorius
B. Iliopsoas
C. Gluteus Maximus
D. Latissimus Dorsi
Answer» D. Latissimus Dorsi
1057.

________ allows for greater variation to be generated.

A. Asexual reproduction
B. Vegetative propagation
C. Sexual reproduction
D. Tissue culture
Answer» D. Tissue culture
1058.

Between small and large human intestine which one is longer?A. Small intestineB. Large intestineC. Both are equal in lengthD. Depends on male or female

A. A
B. D
C. C
D. B
Answer» B. D
1059.

Cytopyge is found in

A. Paramecium
B. Entamoeba
C. Amoeba
D. Trypanosoma
Answer» B. Entamoeba
1060.

Name the structure which segregates the cell content from surroundings in an animal cell?

A. Nucleoplasm
B. Nuclear membrane
C. Cell wall
D. Cell membrane
Answer» E.
1061.

Karl Landsteiner is known for the discovery of which one of the following?

A. Cresco graph
B. Radioactivity
C. Blood group
D. X-rays
Answer» D. X-rays
1062.

First restriction endo nuclease enzyme was-

A. Hind-II
B. EcoR I
C. Hae III
D. Bam-I
Answer» B. EcoR I
1063.

Hereditary characteristics are passed on from parent to the offspring chiefly through ________.

A. Genes
B. Enzymes
C. Gametes
D. Centrosome
Answer» B. Enzymes
1064.

Deserts have phreatophytes, i.e. plants that have

A. Lipid accumulation (20-30 mg) in leaves
B. Long (20-30 ft) taproots
C. Small (2-3 mm) or spine like leaves
D. Succulent stem (100-200 mm thick)
Answer» C. Small (2-3 mm) or spine like leaves
1065.

Exobiology refers to:A. Life in outer space.B. Life of animals.C. Life of plants.D. Life of human beings on earth.

A. A
B. B
C. D
D. C
Answer» B. B
1066.

A person with which one of the following blood group is considered a universal donor?

A. O
B. A
C. AB
D. B
Answer» B. A
1067.

In the buccal cavity of human being, digestion of which one of the following get started?

A. Protein
B. Fat
C. Carbohydrates
D. None of the above
Answer» D. None of the above
1068.

In which part of the alimentary canal, the complete digestion of fat takes place?

A. Large intestine
B. Small intestine
C. Stomach
D. Mouth
Answer» C. Stomach
1069.

Organisms with pores on their bodies are grouped under ______ kingdom.

A. Annelida
B. Nematoda
C. Coelenterata
D. Porifera
Answer» E.
1070.

Glucose is a source of energy. Which one of the following types of the molecule is Glucose?

A. Carbohydrate
B. Protein
C. Fat
D. Nucleic acid
Answer» B. Protein
1071.

A/An _______ tissue is formed beneath the skin and between internal organs.

A. Epithelial
B. Nervous
C. Muscular
D. Adipose
Answer» E.
1072.

A student was doing an experiment on increasing the cell division among plants. She asked her supervisor to suggest the specific plant hormone for the same. Had you been her Supervisor, which plant hormone would you suggest ?

A. Abscisic acid
B. Gibberellins
C. Cytokinin
D. Auxin
Answer» B. Gibberellins
1073.

_________ is the variation in the chromosome number that occurs due to the duplication of set of chromosomes.

A. Polyploidy
B. Diploidy
C. Euploidy
D. Aneuploidy
Answer» D. Aneuploidy
1074.

Palaeontology is study of:

A. Plant and animal
B. Fossils
C. Volcanoes
D. Atmosphere
Answer» C. Volcanoes
1075.

Herbivores require a longer small intestine to digest _______.

A. Proteins
B. Fats
C. Cellulose
D. Vitamins
Answer» D. Vitamins
1076.

______ is the source of energy and materials in human beings.

A. Water
B. Sunlight
C. Food
D. Gas
Answer» D. Gas
1077.

Petroplants were first recognized by

A. Lamarck
B. Darwin
C. Hatch and Slack
D. M. Calvin
Answer» E.
1078.

If the leaflets are attached at the tip of petiole, that leaf is called

A. Pinnate compound leaf
B. Palmate compound leaf
C. Simple leaf
D. Compound leaf
Answer» C. Simple leaf
1079.

Anti scurvy vitamin is ________.

A. K
B. B12
C. B2
D. C
Answer» E.
1080.

Melanin protects our body from ________.

A. infrared rays
B. ultraviolet rays
C. X-ray
D. ultrasonic waves
Answer» C. X-ray
1081.

If spleen is removed, the platelet count will

A. decrease
B. increase
C. remain unaffected
D. be reduced to zero
Answer» D. be reduced to zero
1082.

Bee-keeping is also called as

A. Sericulture
B. pisciculture
C. apiculture
D. aquaculture
Answer» D. aquaculture
1083.

Features and habits that help animals to adapt to their surroundings are a result of the process of ________.

A. Maturation
B. Evolution
C. Progression
D. Renewal
Answer» C. Progression
1084.

Pigment containing and light reflecting cells are:

A. Leucoplasts
B. Chloroplasts
C. Chromatophore
D. Chromatoplasts
Answer» D. Chromatoplasts
1085.

Choose the correct group of diseases that are spread by air:

A. Cholera, Typhoid, Tuberculosis
B. Tuberculosis, Pneumonia, Influenza
C. Warts, common cold, cough
D. AIDS, Typhoid, Pneumonia
Answer» C. Warts, common cold, cough
1086.

Dietary intake of which mineral is essential for normal function of Thyroid Gland?

A. Sodium
B. Calcium
C. Iodine
D. Potassium
Answer» D. Potassium
1087.

___________ constitute the biotic component of the biosphere.

A. Non-living and Living things
B. Living things
C. Minerals
D. Atmosphere
Answer» C. Minerals
1088.

In humans, the sound is produced by the ______.

A. Epiglottis
B. Larynx
C. Trachea
D. Vallecula
Answer» C. Trachea
1089.

Mitochondria is known as the powerhouse of the cell because:

A. They produce protein
B. They emit light
C. They have their own deoxyribonucleic acid (DNA)
D. They produce adenosine triphosphate (ATP)
Answer» E.
1090.

A digestive enzyme, salivary amylase, in the saliva begins digestion of which of the following?

A. Vitamins
B. Minerals
C. Fats
D. Carbohydrates
Answer» E.
1091.

In Angiosperms, plant embryos in seed have structures called ________.

A. Spore
B. Buds
C. Sprout
D. Cotyledon
Answer» E.
1092.

Choose the statement that is wrong about `Metamorphosis'

A. It is the transformation of an egg to adult
B. Egg directly hatches out in to an organism, with the same adult features
C. It passes through different stages
D. The features of each stage of development is very different
Answer» C. It passes through different stages
1093.

In 28 - day human ovarian cycle, ovulation occurs on ______.

A. Day 1
B. Day 10
C. Day 14
D. Day 28
Answer» D. Day 28
1094.

In humans, kidneys are organs of which of the following systems?

A. Nutrition
B. Transportation
C. Excretion
D. Respiration
Answer» D. Respiration
1095.

For a patient suffering from COPD, the ‘C’ stands for:

A. Chronic
B. Cardiovascular
C. Cervical
D. Cardiac
Answer» B. Cardiovascular
1096.

Name the tissue which is not found in animal.

A. Adipose tissue
B. Meristematic tissue
C. Dendrite
D. Connective tissue
Answer» C. Dendrite
1097.

Cholera is caused by:

A. Fungi
B. Protozoa
C. Viruses
D. Bacteria
Answer» E.
1098.

Pinna is the external part of _____

A. ears
B. nose
C. fingers
D. eyes
Answer» B. nose
1099.

Plants contain cytokine, that _________.

A. Causes the cells to grow perpendicularly.
B. Aids in cell division
C. Hinders growth
D. Help with stem growth
Answer» C. Hinders growth
1100.

Genes which code for a pair of contrasting traits are known as -

A. Alleles
B. Filials
C. Hybrids
D. Progenies
Answer» B. Filials