Class 9 Biology e-Book's MCQs - Complete
Vitamins MCQs App Free Download & e-Book - 448
Apps:
MCQ:
The disease condition in which synthesized collagens are unstable is called
- tuberculosis
- angina
- hemophilia
- scurvy
d
Class 9 Biology App & e-Book Tests PDF Download
Mechanism of Enzyme Action MCQs
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9th Grade Biology MCQs eBook Download
10th Grade Biology Test Questions
- Study of Nervous System MCQ: Spinal cord is surrounded and protected by
- Levels of Ecological Organization MCQs: Carbon atom is principal building block of many kinds of
- Homeostasis in Humans MCQ: Kidney filter excess water, salts, urea and
- Life Sciences MCQ: Considering lobes of cerebral cortex, lobe which is involved in
- Nervous Coordination Quiz: Considering types of coordination, nervous coordination leads to
Class 9 Biology Quiz with Answers
- Biodiversity Classification App's Quiz: If descendants of same ancestor reside in same group it
- Loss and Conservation of Biodiversity App's MCQs: Wood which is used to make houses is taken from
- Transport in Plants App's MCQs: Tissues which are responsible for transportation of dissolved substances and
- Functions of Nitrogen and Magnesium App's MCQ: Magnesium is important for enzymes to produce
- Blood Vessels App's Quiz: After entering into tissues, arteries are divided into