1. Photosynthesis takes place faster in
A. yellow light
B. white light
C. red light
D. darkness
2. Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by
A. Robert Hooke
B. Robert Brown
C. Rudolf Virchow
D. Theodore Schwann
3. Primary phloem develops from
A. lateral meristem
B. protoderm
C. extrastelar cambium
D. provascular tissue
4. Other than spreading malaria, anopheles mosquitoes are also vectors of
A. dengue fever
B. filariasis
C. encephalitis
D. yellow fever
5. Plants that grow in saline water are called
A. halophytes
B. hydrophytes
C. mesophytes
D. thallophytes
6. Pyorrhoea is a disease of the
A. nose
B. gums
C. heart
D. lungs
ANSWERS :
1. Answer: Option B
2. Answer: Option B
3. Answer: Option D
4. Answer: Option B
5. Answer: Option A
6. Answer: Option B
Explanation: Pyorrhoea, or periodontal disease, to give it a proper medical term, is a disease of the gums, it is one of the most widely prevalent diseases. It affects the membrane surrounding the roots of the teeth and leads to loosening of the teeth, pus formation, and shrinkage of the gum. This disease is the primary cause for tooth loss among adults.
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