Home
Current Affairs January 2024

What is the correct answer?

4

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

A. Thymine (T)

B. Cytosine (C)

C. Guanine (G)

D. Uracil (U)

Correct Answer :

A. Thymine (T)


Related Questions

What is the correct answer?

4

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

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 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

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

A. Speciation

B. Convergent evolution

C. Divergent evolution

D. Coevolution

What is the correct answer?

4

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

A. Pepsin

B. Amylase

C. Trypsin

D. Lipase

What is the correct answer?

4

The relationship between a bee and a flower, where the bee obtains nectar and pollen while aiding in pollination, is an example of:

A. Mutualism

B. Parasitism

C. Competition

D. Commensalism

What is the correct answer?

4

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

A. Smooth muscle

B. Cardiac muscle

C. Skeletal muscle

D. Involuntary muscle

What is the correct answer?

4

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

A. Radius

B. Femur

C. Clavicle

D. Tibia

What is the correct answer?

4

What is the function of the human gallbladder?

A. Storage of bile

B. Production of insulin

C. Digestion of proteins

D. Filtration of blood

What is the correct answer?

4

Which biome is characterized by cold temperatures, permafrost, and a lack of trees?

A. Tundra

B. Desert

C. Tropical rainforest

D. Grassland

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

What is the function of the pancreas in the human body?

A. Digestion of proteins

B. Regulation of blood sugar levels

C. Filtration of blood

D. Production of bile

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 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 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

What is the correct answer?

4

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

A. Wind

B. Water

C. Insects

D. Gravity

What is the correct answer?

4

Which of the following is an example of an invasive species?

A. Native grasses in their natural habitat

B. A non-native tree planted in a garden

C. A species that naturally occurs in a specific ecosystem

D. A species that is endangered

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

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

What is the correct answer?

4

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

A. Bacteria

B. Virus

C. Fungus

D. Protist

What is the correct answer?

4

Which of the following is NOT a method of bacterial reproduction?

A. Binary fission

B. Budding

C. Conjugation

D. Meiosis

What is the correct answer?

4

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

A. Bacteriophage

B. Virus

C. Prion

D. Viroid

What is the correct answer?

4

What is the term for a virus that infects bacteria?

A. Bacteriophage

B. Retrovirus

C. Prion

D. Viroid

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

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

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

A. Mammals

B. Amphibians

C. Reptiles

D. Birds

What is the correct answer?

4

What is the primary function of the plant cuticle?

A. Gas exchange

B. Water retention and protection

C. Photosynthesis

D. Nutrient absorption

What is the correct answer?

4

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

A. Insulin

B. Hemoglobin

C. Collagen

D. Myoglobin

What is the correct answer?

4

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

A. Veins

B. Arteries

C. Capillaries

D. Venules