HARD
10th ICSE
IMPORTANT
Earn 100

Name the substance that initiates blood clotting. What is the mineral element essential to form a blood clot?

Important Questions on Solved Biology Paper-1

HARD
10th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Solved Biology Paper-1>Exercise>Q 20
Give the exact location of Adrenal glands.
HARD
10th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Solved Biology Paper-1>Exercise>Q 21
Mention three functions of Adrenaline.
HARD
10th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Solved Biology Paper-1>Exercise>Q 22
What is the contraction phase of auricles called? Name the two valves that open during this phase.
HARD
10th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Solved Biology Paper-1>Exercise>Q 23
How are cytons and axons arranged in the spinal cord.
HARD
10th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Solved Biology Paper-1>Exercise>Q 24
We cannot distinguish colours in dim light. Explain giving suitable reasons.
HARD
10th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Solved Biology Paper-1>Exercise>Q 26

What are hormones? Name any two hormones secreted by the Pituitary gland?

MEDIUM
10th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Solved Biology Paper-1>Exercise>Q 27

From where the following nerves arise.

Optic nerve

MEDIUM
10th ICSE
IMPORTANT
Biology Crash Course (Based on Revised Syllabus-2023)>Chapter 6 - Solved Biology Paper-1>Exercise>Q 28

From where the following nerves arise.

Auditory nerve