Question:- Other than spreading malaria, anopheles mosquitoes are also vectors of A. dengue fever B. filariasis C. encephalitis D. yellow fever
Answer:- Option B
Question:- Plants that grow in saline water are called A. halophytes B. hydrophytes C. mesophytes D. thallophytes
Answer:- Option A
Question:- What is periodontal disease caused by?
Answer:- 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.
Question:- O2 released in the process of photosynthesis comes from A. CO2 B. water C. sugar D. pyruvic acid
Answer:- Option B
Question:- Placenta is the structure formed A. by the union of foetal and uterine tissue B. by foetus only C. by fusion of germ layers D. None of these
Answer:- Option A
Question:- Plants hormone that induces cell division is A. auxins B. gibberellins C. kinins D. domins
Answer:- Option C
Question:- Phloem is a tissue found in A. reproductive organs of animals B. plants C. insects D. mammals
Answer:- Option B
Question:- N2 content is kept constant in the biosphere due to A. N2 fixation B. industrial pollution C. nitrogen cycle D. absorption of N2
Answer:- Option C
Question:- Potato is a modified form (outgrowth) of A. root B. stem C. fruit D. leaf
Answer:- Option B