Biology problems
- 1. What base is found on RNA but not on DNA?
Options- A. Uracil
- B. Thymine
- C. Adenine
- D. None of the above Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk
Correct Answer: Uracil
Explanation:
Uracil is present in RNA and binds to adenine whereas thymine is present in DNA and binds to adenine.
- 2. Genes contain instructions for assembling what?
Options- A. Amino acids
- B. Proteins
- C. Nucleotides
- D. All of the above Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO
Correct Answer: Proteins
Explanation:
Genes which are segment of DNA of a cell contains instructions for assembling proteins.
- 3. The DASH Diet plan was devised to prevent
Options- A. TB
- B. Thyroid
- C. Hypertension
- D. Diabetes Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO
Correct Answer: Hypertension
Explanation:
he DASH Diet plan was devised to prevent high blood pressure i.e, hypertension.
- 4. Which process requires cellular energy?
Options- A. Passive transport
- B. Active transport
- C. Both A & B
- D. None of the above Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk
- The Sodium-Potassium pump,
- Exocytosis, and
- Endocytosis.
Correct Answer: Active transport
Explanation:
Active transport is a method of transport of ions or molecules along the cell membrane in the cell from lower to higher concentration region and which needs cellular energy.
There are three main types of Active Transport. They are:
- 5. Goosebumps are caused by contractions of the
Options- A. Muscles
- B. Nerves
- C. Bones
- D. All of the above Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO
Correct Answer: Muscles
- 6. Which parts of the heart receive blood from the lungs?
Options- A. Right ventricle
- B. Left Atrium
- C. Left Ventricle
- D. Right ATrium Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO, Database Administrator
Correct Answer: Left Atrium
- 7. Both food and air travel through the
Options- A. pharynx
- B. trachea
- C. larynx
- D. alveolus Also asked in: CAT, Bank Exams, AIEEE, Bank PO, Bank Clerk, Analyst
Correct Answer: pharynx
- 8. A tetrad is made up of
Options- A. four homologous pairs of chromosomes
- B. two homologous chromosomes, each consisting of two chromatids
- C. four non-homologous chromosomes
- D. two homologous pairs of chromosomes Also asked in: AIEEE, Bank Exams, Analyst, Bank Clerk
Correct Answer: two homologous chromosomes, each consisting of two chromatids
- 9. What is plant cell wall mainly composed of?
Options- A. Lipids
- B. Vitamin
- C. Cellulose
- D. Protein Also asked in: Bank Exams
Correct Answer: Lipids
- 10. A pair of contrasting characters controlling the same trait is called
Options- A. factors
- B. loci
- C. allele
- D. lineage Also asked in: Bank Exams
Correct Answer: allele
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