Biology Previous Year Questions 2026 | NDA

Biology - MOST IMPORTANT NDA Previous Year Questions

Practice real questions from previous year exams of NDA.

📘 Connective Tissue📚 Blood
Q1

Blood is a type of

🎯 NDA 2019 (II)
📘 Cell Structure and Organelles📚 Mitochondria
Q2

Mitochondria are able to produce their own

🎯 NDA 2019 (II)
📘 Complex Permanent Tissue📚 Xylem and its components
Q3

Which one of the following statements is correct?

🎯 NDA 2019 (II)
📘 Important Scientists of Biology📚 Other scientists and discoveries
Q4

Who among the following popularised the use of embryological characters in taxonomy?

🎯 NDA 2019 (II)
📘 General Miscellaneous📚 Miscellaneous
Q5

Which one of the following is the major constituent of biogas?

🎯 NDA 2019 (II)
📘 Endocrine Glands- Throat📚 Thyroid Gland and secreted hormones
Q6

Thyroid gland produces a hormone called ‘thyroxine’ which

🎯 NDA 2019 (II)
📘 Bacterial Diseases📚 Typhoid
Q7

Which one of the following is a bacterium that causes disease in the human body?

🎯 NDA 2019 (II)
📘 Viral Diseases📚 Misc
Q8

Which one of the following statements regarding viruses is not true?

🎯 NDA 2019 (II)
📘 Micro-Nutrients: Vitamins- Sources and Deficiency Diseases📚 Vitamin C
Q9

Which one of the following diseases may be caused by the deficiency of vitamin-C?

🎯 NDA 2019 (II)
📘 Cell Structure and Organelles📚 Cell Membrane (Plasma Membrane)
Q10

Which one of the following cell organelles does not possess nucleic acid?

🎯 NDA 2019 (I)
📘 Cell Structure and Organelles📚 Ribosome
Q11

Which one of the following cell organelles does not possess its own genetic material encoding proteins?

🎯 NDA 2019 (I)
📘 Complex Permanent Tissue📚 Misc
Q12

Which one of the following is not a component of conducting tissue in plants?

🎯 NDA 2019 (I)
📘 Botany- Plant Classification- Cryptogams📚 Pteridophyta
Q13

Which one of the following organisms has vascular tissues?

🎯 NDA 2019 (I)
📘 General Miscellaneous📚 Miscellaneous
Q14

Which one of the following organisms represents the primary consumer category in an ecosystem?

🎯 NDA 2019 (I)
📘 Nomenclature of Organisms📚 Misc
Q15

As per the code of the nomenclature, which one of the following is the correct way of writing a biological name?

🎯 NDA 2019 (I)
📘 Circulatory System- II (Heart)📚 Misc
Q16

Which one of the following statements regarding electrocardiogram is correct?

🎯 NDA 2019 (I)
📘 Diseases: Overview📚 Misc
Q17

Which one of the following statements regarding penicillin is correct?

🎯 NDA 2019 (I)
📘 Cell Structure and Organelles📚 Lysosomes
Q18

Which one of the following organelles of mammalian cell is rich in hydrolytic enzymes?

🎯 NDA 2019 (I)
📘 Bacterial Diseases📚 Cholera
Q19

Which one of the following statements regarding cholera is correct?

🎯 NDA 2019 (I)
📘 Botany- Plant Classification- Cryptogams📚 Thallophyta- Algae
Q20

Statement I: Phytoplanktons produce most of the organic carbon in the ocean.
Statement II: Algae are produced in the cold water biome.

🎯 NDA 2018 (II)