MCQ Bank
.............. is more heat-resistant than wool, decomposing at about 170° C (340° F).
- A) silk
- B) cotton
- C) rayon
- D) fiber
The thickness of silk filament yarn is expressed in terms of ...............
- A) thread
- B) fiber
- C) denier
- D) rayon
Most aerosols contain a …………………percentage of active ingredient.
- A) low
- B) medium
- C) high
- D) average
Common name of Laccifer lacca………………..
- A) Kerria india
- B) Kerria pusana
- C) Kerria lacca
- D) Kerria chinensis
……………… is an optional piece of equipment and is used by less than 50 percent of beekeepers.
- A) Queen excluder
- B) Hive bodies
- C) Bottom board
- D) Hive stand
Specimens in…………., along with the data provided on the specimen labels constitute an historic record of biological diversity.
- A) aquariums
- B) labs
- C) arboretums
- D) museums
Spinosad is a chemical of.................. toxicity which has a translaminar movement, which means the chemical moves into the leaf.
- A) low
- B) none of these
- C) medium
- D) high
Inoculation means the introduction of ………………insects to the host plant.
- A) Silkworm
- B) Bees
- C) Moth
- D) Lac
Resin constitutes …………………of lac.
- A) 88 to 90%
- B) 58 to 90%
- C) 68 to 90%
- D) 78 to 90%
…………………………. is the common name of Butea frondose.
- A) Ber (plum)
- B) Babul
- C) Kusum
- D) Palas
.............................a biological insecticide which targets only caterpillars but needs to be sprayed every five days or after rain or overhead watering.
- A) Eprinomectin
- B) Granulovirus.
- C) Bacillus sphaericus
- D) Bacillus thuringiensis
…………………………. is the common name of Schleichera trijuga.
- A) Babul
- B) Kusum
- C) Ber (plum)
- D) Palas
India and Thailand are the major producers of ...........
- A) lac
- B) wax
- C) honey
- D) silk
...........................is commonly used as transgenic organism by researchers in Bio-technological sciences.
- A) Lac insect
- B) Silkworm
- C) Honey Bee
- D) House fly
The molten lac is then spread in the form of .......
- A) sheets
- B) buttons
- C) granules
- D) flakes
The silkworm ………………builds its cocoon by producing and surrounding itself.
- A) caterpillar
- B) moth
- C) egg
- D) pupa
There are ………………..main types of liquid formulations.
- A) three
- B) four
- C) five
- D) two
The scraped lac is washed thoroughly with………...
- A) water
- B) alcohol
- C) naphthalene
- D) glycerin
........................is a continuous filament within each cocoon, having a usable length of about 600 to 900 meters (2,000 to 3,000 feet).
- A) fiber
- B) thread
- C) silk
- D) wax
A......................is desirable for hives because it prevents heat buildup in the hive during summer.
- A) dark color
- B) light color
- C) red color
- D) black color