Reflex actions below the neck are under control of _____.

1. 1. Brain
   2. Hypothalamus
   3. Spinal cord
   4. All of these

Which of the following is present in the underground parts of the plants and stored food?

1. 1. stem
   2. leucoplast
   3. chromoplast
   4. chloroplast

Ribosomes and DNA are also present in _____.

1. 1. endoplasmic reticulum
   2. mitochondria
   3. golgi complex
   4. lysosomes

Blubber is a thick layer of fat which is present in _____.

1. 1. Marine Mammals
   2. Flying mammals
   3. Fresh water mammals
   4. Terrestrial mammals

The carotid arteries are in the _____ of the human body.

1. 1. Elbow
   2. Neck
   3. Wrist
   4. Brain

A group of similar cells that perform a specific function is_____.

1. 1. Organelle
   2. Organ
   3. Tissues
   4. Organ System

Yellow cytoplasm in ascidian gives rise to_____.

1. 1. Notochord
   2. Epidermis
   3. Gut
   4. Muscle cells

Due to which property of Adiantum and example of Filicinae is called Maidenhairfern?

1. 1. Shows heteromorphic alternation of generation
   2. Stipe (stalk) and rachis of leaf have black smooth and shiny hair like structures
   3. Fibrous adventituous roots arise from the lower side of rhizome
   4. Its short thick branched horizontally growing rhizome

The scientific name of onion is _____.

1. 1. Rana tigrina
   2. Aspergillus
   3. Allium cepa
   4. None of these

Which one of the following is not the characteristic of the plants included in psilopsida?

1. 1. Aerial branches have veinless outgrowths
   2. Gametophyte is colourless
   3. Rhizoids bear Rhizome
   4. They have mycorrhizal association