Home
Current Affairs January 2024

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

Correct Answer :

A. Transcription


Related Questions

What is the correct answer?

4

What is the term for a disease-causing microorganism?

A. Antibiotic

B. Parasite

C. Pathogen

D. Virus

What is the correct answer?

4

Which of the following is the smallest unit of the nervous system?

A. Neuron

B. Nerve

C. Ganglion

D. Brain

What is the correct answer?

4

Which of the following is a characteristic of mammals?

A. Cold-blooded

B. Lay eggs

C. Have mammary glands

D. Breathe through gills

What is the correct answer?

4

What is the primary pigment responsible for photosynthesis in plants?

A. Chlorophyll

B. Carotene

C. Xanthophyll

D. Phycobilin

What is the correct answer?

4

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

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 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 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

In which type of plant tissue does most of the photosynthesis occur?

A. Xylem

B. Phloem

C. Epidermis

D. Mesophyll

What is the correct answer?

4

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

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

What is the correct answer?

4

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

A. Stomach

B. Liver

C. Kidney

D. Small intestine

What is the correct answer?

4

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

What is the correct answer?

4

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

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

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 largest organ in the human body?

A. Brain

B. Liver

C. Skin

D. Heart

What is the correct answer?

4

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

A. Huntington's disease

B. Down syndrome

C. Hemophilia

D. Cystic fibrosis

What is the correct answer?

4

What is the largest group of arthropods, known for their jointed appendages and hard exoskeleton?

A. Insects

B. Arachnids

C. Crustaceans

D. Myriapods

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

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

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

Which organelle is responsible for protein synthesis?

A. Golgi apparatus

B. Ribosome

C. Endoplasmic reticulum

D. Lysosome

What is the correct answer?

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

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 of the following is NOT a function of the cell wall in plant cells?

A. Providing structural support

B. Regulating osmotic balance

C. Facilitating cell communication

D. Protecting against pathogens

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

Which of the following is a female reproductive disorder characterized by the growth of abnormal tissue in and around the uterus?

A. Endometriosis

B. Ovarian cysts

C. Polycystic ovary syndrome (PCOS)

D. Ectopic pregnancy

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