Major Competitive Exams
Q. Which p-block element is essential for the formation of DNA? (2023) 2023
-
A.
Oxygen
-
B.
Nitrogen
-
C.
Phosphorus
-
D.
Sulfur
Solution
Phosphorus is essential for the formation of DNA as it is part of the backbone structure.
Correct Answer: C — Phosphorus
Learn More →
Q. Which p-block element is known for forming a stable +4 oxidation state?
-
A.
Carbon
-
B.
Silicon
-
C.
Germanium
-
D.
Tin
Solution
Tin (Sn) is known for forming a stable +4 oxidation state.
Correct Answer: D — Tin
Learn More →
Q. Which p-block element is known for forming strong covalent bonds?
-
A.
Nitrogen
-
B.
Oxygen
-
C.
Fluorine
-
D.
All of the above
Solution
All of the listed elements (Nitrogen, Oxygen, Fluorine) are known for forming strong covalent bonds.
Correct Answer: D — All of the above
Learn More →
Q. Which p-block element is known for its ability to form multiple allotropes?
-
A.
Carbon
-
B.
Phosphorus
-
C.
Sulfur
-
D.
Arsenic
Solution
Phosphorus can exist in several allotropes, including white, red, and black phosphorus.
Correct Answer: B — Phosphorus
Learn More →
Q. Which p-block element is known for its allotropes including diamond and graphite?
-
A.
Silicon
-
B.
Carbon
-
C.
Phosphorus
-
D.
Boron
Solution
Carbon is known for its allotropes, including diamond and graphite.
Correct Answer: B — Carbon
Learn More →
Q. Which p-block element is known for its allotropes including diamond and graphite? (2020) 2020
-
A.
Carbon
-
B.
Silicon
-
C.
Germanium
-
D.
Tin
Solution
Carbon is known for its allotropes, including diamond and graphite.
Correct Answer: A — Carbon
Learn More →
Q. Which part of speech can describe the manner of an action? (2023)
-
A.
Adjective
-
B.
Noun
-
C.
Adverb
-
D.
Pronoun
Solution
An adverb can describe the manner of an action, answering questions like how, when, where, and to what extent.
Correct Answer: C — Adverb
Learn More →
Q. Which part of speech is often used to ask questions?
-
A.
Noun
-
B.
Adverb
-
C.
Pronoun
-
D.
Interrogative Pronoun
Solution
An interrogative pronoun is used to ask questions.
Correct Answer: D — Interrogative Pronoun
Learn More →
Q. Which part of speech is used to describe a noun or pronoun?
-
A.
Verb
-
B.
Adjective
-
C.
Adverb
-
D.
Conjunction
Solution
An adjective is used to describe or modify a noun or pronoun.
Correct Answer: B — Adjective
Learn More →
Q. Which part of speech is used to express strong emotion?
-
A.
Interjection
-
B.
Noun
-
C.
Verb
-
D.
Adjective
Solution
An interjection is used to express strong emotion.
Correct Answer: A — Interjection
Learn More →
Q. Which part of speech is used to name a person, place, thing, or idea? (2021)
-
A.
Adjective
-
B.
Noun
-
C.
Verb
-
D.
Adverb
Solution
A noun is a part of speech that names a person, place, thing, or idea.
Correct Answer: B — Noun
Learn More →
Q. Which part of speech modifies a verb, an adjective, or another adverb?
-
A.
Noun
-
B.
Adverb
-
C.
Conjunction
-
D.
Pronoun
Solution
An adverb modifies a verb, an adjective, or another adverb.
Correct Answer: B — Adverb
Learn More →
Q. Which part of speech replaces a noun in a sentence? (2022)
-
A.
Adverb
-
B.
Pronoun
-
C.
Adjective
-
D.
Conjunction
Solution
A pronoun is a part of speech that replaces a noun to avoid repetition.
Correct Answer: B — Pronoun
Learn More →
Q. Which part of speech takes the place of a noun?
-
A.
Pronoun
-
B.
Adjective
-
C.
Adverb
-
D.
Conjunction
Solution
A pronoun takes the place of a noun.
Correct Answer: A — Pronoun
Learn More →
Q. Which part of the brain controls balance and coordination? (2021)
-
A.
Cerebrum
-
B.
Cerebellum
-
C.
Brainstem
-
D.
Thalamus
Solution
The cerebellum controls balance and coordination.
Correct Answer: B — Cerebellum
Learn More →
Q. Which part of the brain is primarily responsible for controlling respiration? (2022)
-
A.
Cerebrum
-
B.
Cerebellum
-
C.
Medulla oblongata
-
D.
Pons
Solution
The medulla oblongata is the part of the brain that controls the rhythm of breathing by sending signals to the respiratory muscles.
Correct Answer: C — Medulla oblongata
Learn More →
Q. Which part of the brain is primarily responsible for coordinating voluntary movements? (2022)
-
A.
Cerebrum
-
B.
Cerebellum
-
C.
Brainstem
-
D.
Thalamus
Solution
The cerebellum is primarily responsible for coordinating voluntary movements and maintaining balance.
Correct Answer: B — Cerebellum
Learn More →
Q. Which part of the brain is responsible for regulating heart rate and breathing?
-
A.
Cerebrum
-
B.
Cerebellum
-
C.
Medulla oblongata
-
D.
Thalamus
Solution
The medulla oblongata controls autonomic functions such as heart rate and breathing.
Correct Answer: C — Medulla oblongata
Learn More →
Q. Which part of the brain is responsible for regulating heart rate?
-
A.
Cerebrum
-
B.
Cerebellum
-
C.
Medulla oblongata
-
D.
Thalamus
Solution
The medulla oblongata controls autonomic functions, including heart rate and breathing.
Correct Answer: C — Medulla oblongata
Learn More →
Q. Which part of the brain is responsible for regulating the rate of breathing? (2020)
-
A.
Cerebrum
-
B.
Cerebellum
-
C.
Medulla oblongata
-
D.
Pons
Solution
The medulla oblongata is responsible for regulating the rate and depth of breathing by sending signals to the respiratory muscles.
Correct Answer: C — Medulla oblongata
Learn More →
Q. Which part of the brain regulates the rhythm of breathing? (2022)
-
A.
Cerebrum
-
B.
Cerebellum
-
C.
Medulla oblongata
-
D.
Pons
Solution
The medulla oblongata is the part of the brain that regulates the rhythm of breathing.
Correct Answer: C — Medulla oblongata
Learn More →
Q. Which part of the cell contains the genetic material? (2020)
-
A.
Cytoplasm
-
B.
Cell membrane
-
C.
Nucleus
-
D.
Ribosome
Solution
The nucleus contains the genetic material (DNA) of the cell.
Correct Answer: C — Nucleus
Learn More →
Q. Which part of the cell is known as the powerhouse? (2023)
-
A.
Nucleus
-
B.
Ribosome
-
C.
Mitochondria
-
D.
Chloroplast
Solution
Mitochondria are known as the powerhouse of the cell because they produce energy in the form of ATP.
Correct Answer: C — Mitochondria
Learn More →
Q. Which part of the cell is responsible for controlling the cell's activities? (2018)
-
A.
Cytoplasm
-
B.
Nucleus
-
C.
Mitochondria
-
D.
Golgi apparatus
Solution
The nucleus contains the cell's genetic material and controls its activities by regulating gene expression.
Correct Answer: B — Nucleus
Learn More →
Q. Which part of the cell is responsible for packaging and modifying proteins?
-
A.
Golgi apparatus
-
B.
Lysosome
-
C.
Nucleus
-
D.
Mitochondria
Solution
The Golgi apparatus modifies, sorts, and packages proteins for secretion or delivery to other organelles.
Correct Answer: A — Golgi apparatus
Learn More →
Q. Which part of the digestive system is primarily responsible for the absorption of nutrients? (2021)
-
A.
Mouth
-
B.
Stomach
-
C.
Small intestine
-
D.
Large intestine
Solution
The small intestine is the primary site for the absorption of nutrients due to its large surface area and presence of villi.
Correct Answer: C — Small intestine
Learn More →
Q. Which part of the flower develops into fruit? (2023)
-
A.
Stamen
-
B.
Ovary
-
C.
Style
-
D.
Anther
Solution
The ovary of the flower develops into the fruit after fertilization.
Correct Answer: B — Ovary
Learn More →
Q. Which part of the flower is responsible for reproduction? (2021)
-
A.
Sepals
-
B.
Petals
-
C.
Stamens
-
D.
Ovaries
Solution
The stamens are the male reproductive part of the flower, consisting of anthers and filaments.
Correct Answer: C — Stamens
Learn More →
Q. Which part of the flower is typically colorful and fragrant? (2022)
-
A.
Sepals
-
B.
Petals
-
C.
Stamens
-
D.
Ovary
Solution
Petals are often colorful and fragrant to attract pollinators.
Correct Answer: B — Petals
Learn More →
Q. Which part of the flower is typically sticky to catch pollen? (2022)
-
A.
Style
-
B.
Stigma
-
C.
Ovary
-
D.
Anther
Solution
The stigma is the sticky part of the pistil that captures pollen.
Correct Answer: B — Stigma
Learn More →
Showing 17971 to 18000 of 18429 (615 Pages)