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)