- Four pairs of spermathecae in 4-7 segments
- One pair of ovaries attached at inter segmental septum of 14th and 15th segments
- Two pairs of testes in 10th and 11th segments
- Two pairs of accessory glands in 16th-18th segements
Category: Past Papers MCQs
| No. | Topics. | No. | Topics. |
|---|---|---|---|
| 1. | Biology mcqs | 2. | Chemistry mcqs |
| 3. | General Knowledge mcqs | 4. | Pak Studies |
| 5. | Physics mcqs |
- Zooplankton
- Fish
- Phytoplankton
- Frog
- Bilateral symmetry
- Radical symmetry
- Porous body
- Soft skin
- Flower of tulip is a modified shoot
- In tomato, fruit is a capsule
- Seeds of orchids have oil-rich endosperm
- Placentation in Primrose is basal
- Tiger – Tigris, species
- Cuttlefish – Mollusca, class
- Humans – primates, family
- Housefly – Musca, order
- Alleles do not show any blending and both the characters recover as such in F2 generation
- Factors occur in pairs
- The discrete unit controlling a particular character is called factor
- Out of one pair of factors one 1s dominant and the other recessive
- Thyroxine
- FSH
- ACTH
- GH
- Methane -20%, N,O – 18%
- CFCs -14%, Methane-20%
- CO-40%, CFCs -30%
- NO-6%, CO2 -86%
- Increase in mass from inside
- Increase in mass both from outside and inside
- Perception of events happening in the environment and their memory
- Isolated metabolic reactions occurring in vitro.
- It is used to ligate introduced DNA in recipient
- It serves as a selectable marker
- It is isolated from a virus
- It remains active at high temperature
- Ozone in the upper part of atmosphere is harmful to animals
- Greenhouse effect is a natural phenomenon
- Eutrophication is a natural phenomenon in freshwater bodies
- Most of the forests have been lost in the tropical area
- Promoter
- Structural gene
- The inducer
- Terminator
- Complementary base pairing
- 5 phosphoryl and 3 hydroxyl ends
- Heterocyclic nitrogenous bases
- Chargaff 's rule
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