Explore topic-wise MCQs in Geology.

This section includes 370 Mcqs, each offering curated multiple-choice questions to sharpen your Geology knowledge and support exam preparation. Choose a topic below to get started.

201.

The nitrogen fixing bacteria present in the root nodules of leguminous plant is

A. salmonella
B. clostridium
C. rhizobium
D. pseudomonas
Answer» D. pseudomonas
202.

Cellular respiration occurs in

A. centromere
B. nucleus
C. mitochondria
D. golgi complex
Answer» D. golgi complex
203.

Gymnosperms are

A. open seeded plants
B. non-flowering plants
C. closed seeded plants
D. aquatic plants
Answer» B. non-flowering plants
204.

The apparatus used to demonstrate fermentation is

A. Respirometer
B. Thistle funnel
C. Kuhne's tube
D. Wilmott's bubbler
Answer» D. Wilmott's bubbler
205.

Which one of the following is not reserve food of fungi

A. Glycogen
B. Fat
C. Starch
D. Both A and B
Answer» D. Both A and B
206.

Both extra and intracellular digestion take place in

A. Dugesia
B. Star Fish
C. Poly stoma
D. Turbellaria
Answer» B. Star Fish
207.

The matrix of blood is known as

A. Plasma
B. Blood protein
C. RBC and WBC
D. WBC and Platelets
Answer» B. Blood protein
208.

Sickle-cell anaemia is due to

A. Viruses
B. Genes
C. Hormones
D. Bacteria
Answer» C. Hormones
209.

The process of transfer of genetic information from DNA to RNA is

A. Translocation
B. Transversion
C. Translation
D. Transcription
Answer» E.
210.

Which one is the largest cells in white blood corpuscles

A. Lymphocytes
B. Basophils
C. Monoscytes
D. Neutrophils
Answer» D. Neutrophils
211.

The ulcer is mostly due to infections by a bacterium called

A. Helicobacter pylori
B. Strepto cocci
C. Staphylo cocci
D. Mycobacterium tuberculae
Answer» B. Strepto cocci
212.

Which one of the following phylum is characterised by absence of true coelom

A. Nematoda
B. Echinodermata
C. Mollusca
D. Annelida
Answer» B. Echinodermata
213.

In cockroach the cavities of foregut and hindgut are lined with

A. Salivary Glands
B. Gizzard
C. Cuticle
D. Chitinous teeth
Answer» D. Chitinous teeth
214.

Which of the following is not a part of the Kidney structure

A. Malpighian body
B. Glomerulus
C. Loop of Henle
D. Malpighian tubule
Answer» E.
215.

Which one of the following is the essential nutrient element required in the photosynthetic oxidation of water

A. Magnesium
B. Manganese
C. Molybdenum
D. Iron
Answer» C. Molybdenum
216.

The prokaryotic cell lacks

A. Nuclear envelope and DNA
B. Nuclear envelope and plastids
C. DNA and mitochondria
D. Cell membrance and nucleus
Answer» C. DNA and mitochondria
217.

Kupffer's cells occur in

A. Brain
B. Kidney
C. Liver
D. Spleen
Answer» D. Spleen
218.

Which hormone maintains normal blood pressure by regulating excretion of water

A. Renin
B. Angiotensin
C. Angiotensinogen
D. Aldosterone
Answer» E.
219.

Which gland is active during chilhood but atrophies in adult

A. Adrenal
B. Thymus
C. Thyroid
D. Pancreas
Answer» C. Thyroid
220.

Which blood protein maintains normal blood pressure

A. Albumin
B. Globulin
C. Fibrinogen
D. Collagen
Answer» B. Globulin
221.

A sequence of DNA which is transcribed but not translated

A. Axon
B. Cistron
C. Intron
D. Codon
Answer» D. Codon
222.

Which of the following glands is both endocrine and exocrine

A. Pancreas
B. Pituitary
C. Adrenal
D. Pineal
Answer» B. Pituitary
223.

Two species occupying same or overlapping area are

A. Allopatric
B. Parapatric
C. Sympatric
D. Peripatric
Answer» D. Peripatric
224.

Biogeographical regions are also called

A. Zones
B. Epoch
C. Realms
D. Era
Answer» D. Era
225.

A sequence of DNA that has the ability to change its position is

A. Cistron
B. Exon
C. Intron
D. Transposon
Answer» E.
226.

A mule is obtained by crossing

A. Jack and Jennet
B. Jack and Mare
C. Stallion and mare
D. Stallion and Jennet
Answer» C. Stallion and mare
227.

Cori cycle occurs in between

A. Liver and kidney
B. Kidney and gonad
C. Liver and muscle
D. Muscle and bone
Answer» D. Muscle and bone
228.

Which antibiotic inhibits peptide bond formation in prokaryotes

A. Streptomycin
B. Chloramphenicol
C. Tetracycline
D. Neomycin
Answer» C. Tetracycline
229.

Which group of organisms serves as the best indicator of pollution in a water body

A. Plankton
B. Benthos
C. Nekton
D. Neuston
Answer» B. Benthos
230.

Genetic drift is a result of

A. Variations
B. Increase in population
C. Mutation
D. Decrease in population
Answer» E.
231.

The most effective antibiotic against Mycoplasma pneumoniae is

A. Tetracycline
B. Streptomycin
C. Penicillin
D. Nystatin
Answer» B. Streptomycin
232.

Theory of chemical origin of life was postulated by

A. Miller and Fox
B. Watson and Miller
C. Pasteur
D. Oprain and Haldane
Answer» E.
233.

The simplest type of amino acid is

A. Alanine
B. Tyrosine
C. Lysine
D. Glycine
Answer» E.
234.

Allosteric enzymes act as

A. Catalysts
B. Activators
C. Inhibitors
D. Catalysts and regulators
Answer» E.
235.

Which ecological pyramid can never be inverted

A. Pyramid of number
B. Pyramid of size
C. Pyramid of energy
D. Pyramid of biomass
Answer» D. Pyramid of biomass
236.

Parthenogenesis occurs in

A. Frog
B. Honeybee
C. Man
D. House gecko
Answer» C. Man
237.

Caudex type of stem is present in

A. coconut
B. cocoa
C. neem
D. bamboo
Answer» B. cocoa
238.

RNA molecule that also functions in immune response is

A. Ribozyme
B. Agzymes
C. Abzymes
D. Exozymes
Answer» D. Exozymes
239.

Which of the following does not develop from tap root system

A. Napiform root
B. Conical root
C. Fusiform root
D. Moniliform root
Answer» E.
240.

In pomegranate, the fruit is known as

A. balausta
B. pepo
C. amphisarca
D. hesperidium
Answer» B. pepo
241.

The "eyes" of potato tubers are

A. shoot buds
B. flower buds
C. root buds
D. axillary buds
Answer» E.
242.

Growth rings are formed by the activity of

A. xylem
B. phloem
C. cambium
D. both phloem and xylem
Answer» D. both phloem and xylem
243.

The layer of cells between endodermis and vascular bundles is called

A. hypodermis
B. cortex
C. pith
D. pericycle
Answer» B. cortex
244.

Volvox colonies are found in

A. freshwater ponds
B. salt lakes
C. seawater
D. spring
Answer» B. salt lakes
245.

Green mould is common name for

A. Neurospora
B. Mucor
C. Penicillium
D. Saccharomyces
Answer» D. Saccharomyces
246.

Gemma cups are found in

A. Sphagnum
B. Marchantia
C. Riccia
D. Anthoceros
Answer» C. Riccia
247.

Coralloid roots occur in

A. Cycas
B. Pinus
C. Gnetum
D. Ephedra
Answer» B. Pinus
248.

The fossil organisms which show characters of two different groups of animals are called

A. transitional forms
B. missing links
C. transitory organisms
D. past links
Answer» C. transitory organisms
249.

Root pressure is developed in

A. cortex
B. phloem
C. xylem
D. pith
Answer» D. pith
250.

Rate of transpiration can be measured by

A. Ganong's potometer
B. auxanometer
C. respirometer
D. porometer
Answer» B. auxanometer