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Current Affairs January 2024

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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

Correct Answer :

C. Type III


Related Questions

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What is the name of the protein that carries oxygen in red blood cells?

A. Insulin

B. Hemoglobin

C. Collagen

D. Myoglobin

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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

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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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4

The human heart has how many chambers?

A. 2

B. 3

C. 4

D. 5

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

A. Biogeography

B. Ecology

C. Ethology

D. Taxonomy

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Which part of a plant is responsible for producing seeds?

A. Stem

B. Leaf

C. Flower

D. Root

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

A. Stamen

B. Pistil (carpel)

C. Sepal

D. Petal

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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

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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

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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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4

Which organelle is responsible for protein synthesis?

A. Golgi apparatus

B. Ribosome

C. Endoplasmic reticulum

D. Lysosome

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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

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4

What is the role of the hypothalamus in the human brain?

A. Coordination of muscle movements

B. Regulation of body temperature and hormone secretion

C. Memory storage

D. Visual processing

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What term describes the role a species plays in its ecosystem, including its interactions with other species and its use of resources?

A. Niche

B. Habitat

C. Territory

D. Ecosystem role

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Which of the following is NOT part of the human digestive system?

A. Stomach

B. Liver

C. Kidney

D. Small intestine

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What is the largest organ in the human body?

A. Brain

B. Liver

C. Skin

D. Heart

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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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What is the process by which species evolve into more diverse forms over time?

A. Speciation

B. Convergent evolution

C. Divergent evolution

D. Coevolution

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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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Which of the following is a characteristic of arachnids?

A. Six legs

B. Two pairs of antennae

C. Exoskeleton made of chitin

D. Segmented body

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4

Which of the following is NOT a method of preventing the spread of infectious diseases?

A. Vaccination

B. Antibiotic use

C. Handwashing

D. Quarantine

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4

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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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 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 a pathogen is recognized and neutralized by the immune system upon subsequent exposure?

A. Vaccination

B. Antibody production

C. Immunity

D. Immune response

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Which bone in the human body is often referred to as the collarbone?

A. Radius

B. Femur

C. Clavicle

D. Tibia

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What is the primary source of energy for most ecosystems?

A. Wind

B. Water

C. Sunlight

D. Geothermal heat

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Which cell organelle contains digestive enzymes and is involved in cellular waste disposal?

A. Mitochondria

B. Nucleus

C. Lysosome

D. Chloroplast