Question 1 of 10 50 total questions
Secondary thickening in dicotyledonous stem is controlled by the
A xylem
B phloem
C cambium
D pericycle
Birds maintain their body temperature with the help of their
A blood which maintains constant temperature
B feathers which cover the body
C skin which conserves moisture
D veins which transport fluid of constant temperature to all body tissues
Which of the following vertebrates does the skin function as a respiratory surface?
Which of the following insects lays its eggs in horny, purse-like cases?
A Mosquito
B Butterfly
C Termite
D Cockroach
Which of the following is transmitted through mosquito bite?
A Filariasis
B Typhus
C Plague
D Schistosomiasis
The sexual reproductive function is performed by the part labelled
Protein-like bodies are borne on the part labelled
One common characteristic of fungi, algae, mosses and ferns is that they
A show alternation of generations
B reproduce sexually by conjugation
C produce spores that are dispersed
D possess chlorophyll in their tissues
Which of the following organelles are likely to be present in cells that are actively respiring and photosynthesizing?
A Nucleolus and centrioles
B Mitochondria and chloroplast
C Lysosomes and ribosomes
D Golgi apparatus and endoplasmic reticulum
Which of the following does a virus have in common with animal cells?
A Nucleus
B DNA
C Gycogen
D Cytoplasm
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