The process of expelling waste from the organism is called :
Digestion
Ingestion
Excretion
Reflex Action
Study the given venn diagram. Which of the following animals can be placed in group Z.
Bird
Frog
Shark
Dog
The life span of dog is :
16 - 18 days
16 - 18 weeks
16 - 18 months
16 - 18 years
Study the given table. Which of the following examples is incorrectly classified?
Leather
Cup
Mutton
Goat
The green pigment present in the plants which help in the synthesis of food is :
Chlorophyll
Keratin
Serotonin
Haemoglobin
Angiosperms are :
Naked seeded plants
Closed seeded plants
Non flowering plants
None of these
The plants which grow on land and need moderate amount of water are called :
Xerophytes
Pteridophytes
Hydrophytes
Mesophytes
The energy releasing process in living organisms is :
Reflex action
Respiration
Blood circulation
Reproduction
The life span of house spider is :
3 - 4 years
3 - 4 months
3 - 4 weeks
3 - 4 days