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Current Affairs January 2024

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What is the function of the human liver?

A. Filtration of blood

B. Regulation of blood sugar levels

C. Production of bile and detoxification

D. Transport of oxygen

Correct Answer :

C. Production of bile and detoxification


Related Questions

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What is the term for the process by which animals change their physical and behavioral traits in response to seasonal changes?

A. Hibernation

B. Migration

C. Estivation

D. Camouflage

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In which plant tissue does most photosynthesis occur?

A. Epidermis

B. Xylem

C. Phloem

D. Mesophyll

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What term describes the variety of different species in a particular habitat or ecosystem?

A. Species richness

B. Genetic diversity

C. Ecosystem diversity

D. Species evenness

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What is the main function of the respiratory system?

A. Regulation of blood sugar levels

B. Transportation of oxygen and carbon dioxide

C. Digestion of food

D. Filtration of blood

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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)

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What is the term for the total number of individuals of a species in a given area?

A. Population density

B. Carrying capacity

C. Population dispersion

D. Population growth rate

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Which type of behavior involves the establishment and maintenance of a territory for mating and/or obtaining resources?

A. Agonistic behavior

B. Courtship behavior

C. Dominance hierarchy

D. Territorial behavior

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In a DNA molecule, adenine (A) pairs with:

A. Thymine (T)

B. Cytosine (C)

C. Guanine (G)

D. Uracil (U)

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Which type of learning occurs when an animal associates a neutral stimulus with a meaningful stimulus to produce a response?

A. Classical conditioning

B. Operant conditioning

C. Habituation

D. Imprinting

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What is the term for the process by which an embryo implants itself in the uterine lining and begins to develop?

A. Ovulation

B. Fertilization

C. Implantation

D. Menstruation

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What is the term for a change in the sequence of DNA that can be passed on to offspring?

A. Gene flow

B. Genetic drift

C. Mutation

D. Natural selection

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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)

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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

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Homo sapiens originated on which continent?

A. Africa

B. Asia

C. Europe

D. South America

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Which type of survivorship curve is characterized by a high mortality rate in early life, followed by high survivorship in later life?

A. Type I

B. Type II

C. Type III

D. Type IV

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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

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Which of the following is a sex-linked genetic disorder?

A. Huntington's disease

B. Down syndrome

C. Hemophilia

D. Cystic fibrosis

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What is the process by which segments of DNA are shuffled during the formation of gametes, leading to genetic diversity?

A. Meiosis

B. Mitosis

C. Replication

D. Crossing over

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

A. Habitat loss

B. Climate change

C. Pollution

D. Invasive species

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What is the term for the shedding of the uterine lining in the absence of pregnancy, resulting in menstruation?

A. Ovulation

B. Fertilization

C. Menarche

D. Menstruation

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What is the term for an infectious protein that can cause disease in animals?

A. Bacteriophage

B. Virus

C. Prion

D. Viroid

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What is the term for the physical appearance of an organism based on its genetic makeup?

A. Genotype

B. Phenotype

C. Allele

D. Homozygote

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What is the term for the process by which an animal forms a social attachment to another object or organism, often occurring shortly after birth?

A. Conditioning

B. Habituation

C. Reflex

D. Imprinting

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What is the term for the transfer of pollen from the male reproductive organ to the female reproductive organ of a flower?

A. Fertilization

B. Pollination

C. Germination

D. Embryo development

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

A. Transcription

B. Translation

C. Replication

D. Mutation

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What is the function of the human liver?

A. Filtration of blood

B. Regulation of blood sugar levels

C. Production of bile and detoxification

D. Transport of oxygen

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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

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A human male has how many sex chromosomes?

A. 1

B. 2

C. 23

D. 46

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What is the primary function of the plant cuticle?

A. Gas exchange

B. Water retention and protection

C. Photosynthesis

D. Nutrient absorption

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Which of the following is NOT a method of seed dispersal in plants?

A. Wind

B. Water

C. Insects

D. Gravity