Biology Previous Year Questions 2026 | DSSSB LDC

Biology - MOST IMPORTANT DSSSB LDC Previous Year Questions

Practice real questions from previous year exams of DSSSB LDC.

📘 Cell Structure and Organelles📚 Mitochondria
Q1

Outer membrane of Mitochondria is

🎯 DSSSB LDC, 18-08-2019 (Shift-III)
📘 Major Cell Types📚 Prokaryotic Cells
Q2

Which of the following organisms has prokaryotic cells ?

🎯 DSSSB LDC, 18-08-2019 (Shift-I)
📘 Classification of Kingdom📚 Phylum Platyhelminthes
Q3

Taenia is an example of.. Phylum.

🎯 DSSSB LDC, 25-08-2019 (Shift-I)
📘 Botany- Plant Classification- Cryptogams📚 Bryophyta
Q4

Who are known as "Amphibians" of Plant Kingdom"?

🎯 DSSSB LDC, 23-08-2019 (Shift-I)
📘 Reproduction in Organisms- II (Asexual Reproduction)📚 Vegetative Propagation- by Leaves
Q5

Bryophyllum reproduces by:

🎯 DSSSB LDC, 18-08-2019 (Shift-I)
📘 Reproduction in Organisms- VII (Sexual Reproduction in Plants)📚 Androecium - Stamen, Anther, Filament, etc.
Q6

Which of the following part of a flower of Part of stamen ?

🎯 DSSSB LDC, 18-08-2019 (Shift-III)
📘 Reproduction in Organisms- VII (Sexual Reproduction in Plants)📚 Gynoecium- Pistil, Stigma, Style, Ovary, etc.
Q7

Which part of the flower turns into a seed?

🎯 DSSSB LDC, 17-08-2019 (Shift-III)
📘 Digestive System- III: Stomach📚 Gastric Juice
Q8

Which acid is produced in the human stomach to activate the pepsin enzyme ?

🎯 DSSSB LDC, 23-08-2019 (Shift-II)
📘 Endocrine Glands- Brain📚 Pituitary gland- Anterior Pituitary Lobe and secreted hormones
Q9

Hormones released from which gland stimulate testes to release testosterone ?

🎯 DSSSB LDC, 23-08-2019 (Shift-1)
📘 Bacterial Diseases📚 Typhoid
Q10

Which among the following is not an infectious viral disease ?

🎯 DSSSB LDC, 25-08-2019 (Shift-I)
📘 Digestive System- II: Buccal Cavity and Oesophagus📚 Enzymes in saliva
Q11

Which enzyme is responsible for breakdown of starch into simple sugars inside the mouth?

🎯 DSSSB LDC, 23-08-2019 (Shift-I)
📘 Connective Tissue📚 Adipose Tissue
Q12

Which tissue of the human body stores fat?

🎯 DSSSB LDC, 17-08-2019 (Shift-III)
📘 Respiratory System- III (Respiratory Organs in Humans)📚 Misc
Q13

The part of the human body that has no role in producing sound is the.

🎯 DSSSB LDC, 23-08-2019 (Shift-II)