Which one of the following is NOT a component of conducting tissue in plants?
Fibres
Tracheids
Pericycle
Sieve tubes
Which one of the following cell organelles does NOT possess nucleic acid?
Nucleolus
Chloroplast
Ribosome
Plasma Membrane
Which one of the following cell organelles does NOT possess its own genetic material encoding proteins?
Ribosome
Nucleus
Mitochondria
Chloroplast
Which one of the following organisms has vascular tissues?
Cladophora
Penicillium
Marsilea
Anabaena
Which one of the following organisms represents the primary consumer category in an ecosystem?
Caterpillar
Crabapple tree
Frog
Sparrowhawk
Which one of the following groups of cellular organelles contains DNA?
Mitochondria, nucleus, chloroplast
Mitochondria, Golgi bodies, nucleus
Mitochondria, plasma membrane, nucleus
Chloroplast, nucleus, ribosomes
A.
Mitochondria, nucleus, chloroplast
An organelle is a specialized subunit, usually within a cell, that has a specific function. Organelles are identified by microscopy, and can also be purified by cell fractionation.
One of the additional functions of Smooth Endoplasmic Reticulum (SER) is
protein synthesis
lipid synthesis
storage of biomolecules
detoxification of toxic substances
Damage to the apical meristem of a growing young plant will affect the
length of the plant
colour of the flower
colour of the leaves
taste of the fruits
Which of the following kingdoms has/have only unicellular organisms?
Monera only
Protista only
Monera and Protista both
Protista and Fungi both