Questions
When the movement of plant organ is stimulated by contact with an object, it is termed as
- geotropism
- heliotropism
- haptotropism
- hydrotropism
- none of the above
Shade loving plants are known as
- heliophytes
- sciophytes
- halophytes
- xerophytes
- none of these
During guttation, water is lost through
- lenticel
- hydrathode
- veins
- stoma
- none of these
Which of the following is responsible for breakdown of fats in the biological cells?
- Spherosomes
- Peroxysomes
- Microbodies
- Glyoxysomes
- None of these
The process in which water is split during photosynthesis is called
- photolysis
- plasmolysis
- hydrolysis
- hemolysis
- none of the above
Fat synthesis is associated with
- ribosomes
- peroxisomes
- spherosomes
- dictyosomes
- none of these
Plasmalemma is composed of
- protein
- fats
- lipoproteins
- carbohydrates
- all of the above
Virus free clone can be obtained from a virus infected plant by
- meristem culture
- hot water treatment
- stem cutting
- foliar application of auxin
- none of the above
Which of the following is not absolutely essential for culturing tissues and cells?
- Macronutrients
- Micronutrients
- Agar
- Vitamins
- All of the above
The movement exhibited by tentacles of Drosera is
- siesmonasty
- thigmonasty
- chemotropic
- chemotaxis
- none of these
In exponential growth phase, there is
- slow growth
- maximum growth
- static growth
- zig-zag growth
- none of these
Which of the following statements is true for glycolysis?
- Starch is converted into glucose.
- Protein is converted into glucose.
- Glucose is converted into fructose.
- Glucose is converted into pyruvic acid.
- None of these
Within the cell, the site of respiration is
- golgi body
- mitochondrion
- ribosomes
- nucleus
- none of these
What is the end product of glycolysis?
- ATP
- Water
- Pyruvic acid
- Acetyl-CoA
- None of these
In hollow hearted plants
- root will die first
- shoot will die first
- neither root nor shoot will die
- root and shoot will die at the same time
- none of the above