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Biology 10th Class Objective 2023 – 2
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Biology MCQs 10th Class
- Movement of genes from one population of another is called:
- (a). Crossing over
- (b). Recombination
- (c). Gene flow
- (d). Mutations
- Answer: (C)
- In which year, human genome project was launched
- (a). 1960
- (b). 1070
- (c). 1980
- (d) 1990
- Answer: (D)
- Elastic cartilage is found in:
- (a). Epiglottis
- (b). larynx
- (c). Bronchial
- (d). Inter vertebral discs
- Answer: (A)
- Which one is main producer in aquatic ecosystem:
- (a). Fungi
- (b). Bacteria
- (c). Phytoplankton
- (d). Protozoans
- Answer: (C)
- It effects on central nervous system and causes drowsiness:
- (a). Morphine
- (b). Mescaline
- (c). Posilocin
- (d). Codeine
- Answer: (A)
- During exercise or other physical works breathing rate per minute increases up to:
- (a). 20-30 Min
- (b). 30-40 min
- (c). 40-50 min
- (d). 50-60 min
- Answer: (B)
- Part of testes provides nutrients to sperms:
- (a). Collecting ducts
- (b). Seminal vesicles
- (c). Prostate glands
- (d). Cowper’s glands
- Answer: (B)
- Water lily is an example of:
- (a). Hydrophytes
- (b). Xerophytes
- (c). Halophytes
- (d). Mesophytes
- Answer: (A)
- Process of translation occurs of:
- (a). Golgi apparatus
- (b). Ribosomes
- (c). Nucleus
- (d). Endoplasmic reticulum
- Answer: (C)
- It is the union of several axons:
- (a). Dendrites
- (b). Nerve
- (c). Schwann cells
- (d). Node of
- Answer: (B)
- Mint and chrysanthemum reproduce by:
- (a). Bulbs
- (b). Corms
- (c). Stem tubers
- (d). Suckers
- Answer: (D)
- The current level of urbanization in Pakistan is about:
- (a). 22%
- (b). 32%
- (c). 42%
- (d). 52%
- Answer: (B)
