Question : Which of the following is one of the commercial products obtained from Gelidium, and Gracilaria that are used to grow microbes, and in preparations of ice cream and jellies?

Option 1: Agar

Option 2: Chlorella

Option 3: Spirulina

Option 4: Gymnosperms

Question : Pepperoni, Ethyl acetate, Butyraldehyde and Nitrate are some common adulterants used in:

Option 1: honey

Option 2: ice cream

Option 3: oils

Option 4: spices

Question : Which of the following organism possesses characteristics of a plant and animal?

Option 1: Euglena

Option 2: Mycoplasma

Option 3: Paramecium

Option 4: Chlorella

Question : Select the incorrect statement about Gymnosperms.

Option 1: Gymnosperms are found as woody shrubs, trees or lianas and include no true aquatics and few epiphytes.

Option 2: Gymnosperms are seedless flowering plants.

Option 3: Gymnosperms are typically slow in terms of reproduction; up to a year may pass between pollination and fertilisation and seed maturation may require 3 years.

Option 4: Gymnosperms exhibit cones or strobili and naked seeds, but not flowers.

Question : Of the following commonly used materials, the one that is not an alloy is

Option 1: Steel

Option 2: Brass

Option 3: Bronze

Option 4: Copper

Question : Which of the following is not among the main classes of algae?

Option 1: Chlorophyceae

Option 2: Rhodophyceae

Option 3: Phaeophyceae

Option 4: Gymnosperms