Home
Current Affairs January 2024

What is the correct answer?

4

What is the term for the innate, automatic response of an organism to a stimulus?

A. Conditioning

B. Habituation

C. Reflex

D. Instinct

Correct Answer :

C. Reflex


Related Questions

What is the correct answer?

4

What is the largest organ in the human body?

A. Brain

B. Liver

C. Skin

D. Heart

What is the correct answer?

4

What is the function of the human respiratory system?

A. Regulation of blood sugar levels

B. Transportation of oxygen and carbon dioxide

C. Digestion of food

D. Filtration of blood

What is the correct answer?

4

What is the main function of the kidneys in the human body?

A. Regulation of blood sugar levels

B. Production of red blood cells

C. Filtration of blood and excretion of waste products

D. Digestion of food

What is the correct answer?

4

What is the term for the process by which plants lose water vapor through small openings in their leaves?

A. Transpiration

B. Photosynthesis

C. Respiration

D. Osmosis

What is the correct answer?

4

What is the term for the study of human societies, cultures, and behaviors?

A. Sociology

B. Anthropology

C. Psychology

D. Archaeology

What is the correct answer?

4

Which of Mendel's laws states that alleles for different genes segregate independently during gamete formation?

A. Law of Dominance

B. Law of Independent Assortment

C. Law of Segregation

D. Law of Inheritance

What is the correct answer?

4

What is the term for a gene that is expressed when present, even if only one copy is present in an individual's genotype?

A. Recessive

B. Dominant

C. Co-dominant

D. Allelic

What is the correct answer?

4

Which hominid species is known for its use of fire and tools, and is believed to be the first to migrate out of Africa?

A. Neanderthals

B. Homo erectus

C. Australopithecus afarensis

D. Homo habilis

What is the correct answer?

4

Which part of the human brain is responsible for coordinating muscle movements and maintaining balance?

A. Cerebrum

B. Cerebellum

C. Medulla oblongata

D. Hypothalamus

What is the correct answer?

4

What is the function of the cell membrane?

A. Synthesizing proteins

B. Protecting the nucleus

C. Regulating the passage of substances in and out of the cell

D. Storing genetic information

What is the correct answer?

4

Which part of the human brain is responsible for regulating basic bodily functions like breathing and heart rate?

A. Cerebrum

B. Cerebellum

C. Medulla oblongata

D. Thalamus

What is the correct answer?

4

What is the term for the process by which two unrelated species evolve similar traits in response to similar environmental pressures?

A. Natural selection

B. Convergent evolution

C. Artificial selection

D. Coevolution

What is the correct answer?

4

Which part of a plant is responsible for producing seeds?

A. Stem

B. Leaf

C. Flower

D. Root

What is the correct answer?

4

What is the primary source of energy for most ecosystems?

A. Wind

B. Water

C. Sunlight

D. Geothermal heat

What is the correct answer?

4

Which plant hormone is responsible for promoting cell elongation and growth in response to light?

A. Auxin

B. Gibberellin

C. Ethylene

D. Cytokinin

What is the correct answer?

4

The study of the geographic distribution of species is known as:

A. Biogeography

B. Ecology

C. Ethology

D. Taxonomy

What is the correct answer?

4

Which process involves the copying of DNA into a complementary RNA molecule?

A. Transcription

B. Translation

C. Replication

D. Mutation

What is the correct answer?

4

In angiosperms, what is the female reproductive structure that contains the ovules?

A. Stamen

B. Pistil (carpel)

C. Sepal

D. Petal

What is the correct answer?

4

What type of plant tissue is responsible for transporting water and nutrients throughout the plant?

A. Epidermis

B. Xylem

C. Phloem

D. Cortex

What is the correct answer?

4

In which type of population distribution are individuals evenly spaced throughout their habitat?

A. Random dispersion

B. Clumped dispersion

C. Uniform dispersion

D. Overlapping dispersion

What is the correct answer?

4

What is the primary driver of the current global biodiversity crisis?

A. Habitat loss

B. Climate change

C. Pollution

D. Invasive species

What is the correct answer?

4

The human heart has how many chambers?

A. 2

B. 3

C. 4

D. 5

What is the correct answer?

4

What is the name of the enzyme that unwinds and separates the DNA strands during replication?

A. RNA polymerase

B. Ligase

C. Helicase

D. Polymerase chain reaction (PCR)

What is the correct answer?

4

In humans, which hormone is responsible for the development of secondary sexual characteristics in males?

A. Estrogen

B. Progesterone

C. Testosterone

D. Prolactin

What is the correct answer?

4

What is the process by which plants respond to light and grow toward it called?

A. Phototropism

B. Gravitropism

C. Thigmotropism

D. Hydrotropism

What is the correct answer?

4

What is the term for the innate, automatic response of an organism to a stimulus?

A. Conditioning

B. Habituation

C. Reflex

D. Instinct

What is the correct answer?

4

Which scientist is credited with developing the theory of natural selection?

A. Charles Darwin

B. Gregor Mendel

C. Louis Pasteur

D. Alfred Wegener

What is the correct answer?

4

Which of the following is a bacterial disease that primarily affects the respiratory system and can be prevented by vaccination?

A. Tuberculosis

B. Malaria

C. Cholera

D. Whooping cough (Pertussis)

What is the correct answer?

4

What is the term for the process by which modern humans gradually replaced archaic humans, such as Neanderthals, through migration and competition?

A. Speciation

B. Coevolution

C. Extinction

D. Out-of-Africa hypothesis

What is the correct answer?

4

What term describes the process by which animals adjust their internal biological clocks to match the daily cycle of light and dark in their environment?

A. Hibernation

B. Migration

C. Circadian rhythm

D. Nocturnal behavior