43
Which of the following types of feathers is used for flight in birds?
- A. Quill
- B. Filoplume
- C. covert
- D. Down
44
Which of the following distinguishes a butterfly from a moth?
- A. the wings of butterfly rest horizontally but those of moth rest vertically
- B. Both are active during the day
- C. they have similar antennae
- D. the abdomen of moth is fatter than that of butterfly
45
Which of the following describes a characteristic of arthropods?
- A. The organism finds it easy to grow freely
- B. the organism has a pair of jointed appendages
- C. the body is not divided into a number of segments seg
- D. the body is covered by chitin
46
47
The organelles present in cells that are actively respiring and photosynthesizing are
- A. lysosomes and ribosomes
- B. Golgi apparatus and endoplasmic reticulum
- C. nucleus and centrioles
- D. mitrochondria and chloroplast
48
The organ which is sensitive to light in Euglena is the
- A. gullet
- B. flagellum
- C. chloroplast
- D. eyespot
49
The process in which complex substances are broken down into simpler ones is referred to as
- A. anabolism
- B. catabolism
- C. metabolism
- D. tropism