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Current Affairs January 2024

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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

Correct Answer :

D. Territorial behavior


Related Questions

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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 term refers to the variety of life on Earth, including the diversity of species, ecosystems, and genetic variation within species?

A. Sustainability

B. Biodiversity

C. Ecology

D. Conservation

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

A. Phototropism

B. Gravitropism

C. Thigmotropism

D. Hydrotropism

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Which blood vessels carry oxygenated blood away from the heart to the body's tissues?

A. Veins

B. Arteries

C. Capillaries

D. Venules

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Which of the following is a viral disease transmitted through the bite of infected mosquitoes?

A. Tuberculosis

B. Malaria

C. Influenza

D. Lyme disease

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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 primary function of the root system in plants?

A. Photosynthesis

B. Anchoring the plant and absorbing water and nutrients

C. Producing flowers and fruits

D. Transporting sugars

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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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What is the term for a disease-causing microorganism?

A. Antibiotic

B. Parasite

C. Pathogen

D. Virus

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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

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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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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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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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What is the name of the enzyme in saliva that begins the digestion of starches?

A. Pepsin

B. Amylase

C. Trypsin

D. Lipase

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

A. Wind

B. Water

C. Insects

D. Gravity

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Which class of vertebrates includes animals with scales, a bony skeleton, and a two-chambered heart?

A. Mammals

B. Amphibians

C. Reptiles

D. Birds

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

A. Cerebrum

B. Cerebellum

C. Medulla oblongata

D. Hypothalamus

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Which type of muscle is responsible for voluntary movements in the body?

A. Smooth muscle

B. Cardiac muscle

C. Skeletal muscle

D. Involuntary muscle

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What type of microorganism is responsible for turning milk into yogurt and cheese?

A. Bacteria

B. Virus

C. Fungus

D. Protist

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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 term for the maximum number of individuals of a species that an ecosystem can support indefinitely?

A. Carrying capacity

B. Population density

C. Limiting factor

D. Exponential growth

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What is the primary pigment responsible for photosynthesis in plants?

A. Chlorophyll

B. Carotene

C. Xanthophyll

D. Phycobilin

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

A. Mitochondria

B. Nucleus

C. Lysosome

D. Chloroplast

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The smallest unit of a chemical element that retains the properties of that element is called:

A. Atom

B. Molecule

C. Cell

D. Tissue