Q. The thin surface layer of proteinaceous material act as protective layer in egg is
- Cuticle
- chalazae
- Vitelline membrane
- shell membranes
Answer: a)
Cuticle or bloom — The shell is produced by the shell gland (uterus) of the oviduct, and has an outer coating, the bloom or cuticle. The cuticle somewhat seals the pores and is useful in reducing moisture losses and in preventing bacterial penetration of the egg shell. Most of cuticle is removed from table eggs when they are mechanically washed.
Q. Saffron is obtained from
- Seed
- Root
- Fruit
- Flower
Answer: d)
Q. Extraction of aromatic compound into fat is called
- expression
- super critical extraction
- enfluerage
- Soxhlet extraction
Answer: c)
Enfleurage is a process in which the odour of aromatic materials is absorbed into wax or fat, which is then often extracted with alcohol. Extraction by enfleurage was commonly used when distillation was not possible because some fragrant compounds denature through high heat.
Q. Linalool is present in
- clove
- coriander
- cardamom
- cinnamon
Answer: b)
Coriander (Coriandrum sativum L.) has been cultivated for a long time in different parts of Iran. The chemical profiles of different accessions were analyzed by means of GC-MS. The essential oil content of the dried seeds was varied from 0.1 to 0.36 %. Thirty-Four different compounds were identified in essential oil of all accessions.
Linalool (40.9−79.9%), neryl acetate (2.3−14.2%), γ-terpinene (0.1−13.6%) and α-pinene (1.2−7.1%) were identified as main components in the oil of Coriander accessions. Almost all studied accessions contain more that 60% linalool showing high quality of Coriander seeds produced in Iran and suitability of the accessions for use as initial genetic materials for breeding of homogenous and talent Coriander cultivars.
Coriander (Coriandrum sativum L.), commonly called Geshniz in Persian, is an annual herb in the family Apiaceae.
Q. Edible portion of apple is
- epicarp
- mesocarp
- thalamus
- leaf
Answer: c)
Edible part of apple is pseudocarp which is also known as fleshy thalamus.
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