Option “4” is correct Lithophytes are plants that grow in or on rocks. Lithophytes feed off nutrients from rain water and nearby decaying plants, including their own dead tissue.
202. The characteristic odour of garlic is due to –
1. A chloro compound
2. A sulphur compound
3. A fluorine compound
4. Acetic acid
Option “2” is correct Garlic is made up of sulphuric compounds (Ally methyl sulphide) that render the pungent smell to it.
203. Interferon is used for the control of-
1. Cancer
2. Diabetes
3. T.B.
4. Typhoid
Option “1” is correct Interferons (IFNs) are a group of signaling proteins made and released by host cells in response to the presence of pathogens such as viruses, bacteria, parasites or tumour cells such as in cancer.
204. All of the following diseases are caused by virus except-
1. Dengue
2. Influenza
3. Mumps
4. Typhoid
Option “4” is correct Typhoid is caused by Salmonella Typhi bacteria. Other three are viral diseases.
205. What is MRI?
1. Magnetic Record of Intestines
2. Magnetic Recording of investigations
3. Magnetic Resonance Imaging
4. Magnetic Resonance in Intestines
Option “3” is correct Magnetic resonance imaging (MRI) is a test that uses to make pictures of organs and structures inside the body.
206. Lexicography is related to:
1. Structure of human body
2. Compilation of dictionary
3. Secret of handwriting
4. Teaching of pictures and models.
Option “2” is correct Lexicography is related to a glossary of language design, compilation, the evaluation of general dictionaries.
207. On which of the following plant did Gregor Mendal perform his classical experiment?
1. Pea
2. Gram
3. Maize
4. Wheat
Option “1” is correct The genetic experiment Mendal did with pea plant and published his result in 1865.
208. Scurvy (bleeding of gums) is caused by deficiency of which vitamin?
1. Vitamin K
2. Vitamin B2
3. Vitamin C
4. Vitamin A
Option “3” is correct Scurvy is caused due to deficiency of Vitamin C.
209. Achras sapote is the scientific name of-
1. Custard Apple
2. Gulmohar
3. Tamarind
4. Chiku
Option “4” is correct Achras sapote is the scientific name of Chiku.
