Question
Write four general characters of Thallophyta.
✓
Answer
Four General characters of Thallophyta are:
- It includes most primitive and simple plants.
- There is no vascular system.
- The reproductive organs are simple, single-celled.
- There is no embryo formation after fertilization.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
What is irrigation? Discuss the various methods of irrigation.
A sound producing body is at considerable distance from a man. There can be four different media $W, X, Y$ and $Z$ between the sound producing body and the man. The medium $X$ brings the sound to man most quickly whereas medium $Z$ takes the maximum time. The time taken by medium $W$ in bringing sound to man is less than that of $X$ but more than that of $Z.$ The medium $Y,$ however, fails to bring the sound from the sound producing body to the man. Which medium could be the one:
→- Having no fixed shape and no fixed volume?
- Having a fixed volume but no fixed shape?
- Having the same composition as that on the moon?
- Having a fixed shape and a fixed volume?
Define motion. What do you understand by the terms ‘uniform motion’ and ‘non-uniform motion’? Explain with examples.
Name two indigenous and two exotic breeds of poultry. Write a note on egg production and broiler production.
Describe the characteristics used in hierarchial classification of organisms.
Describe the characteristics used in hierarchial classification of organisms.
There are three substances $X, Y$ and $Z$. The substance $X$ does not have a fixed melting point or boiling point and it still shows the individual properties of its constituents. The substance $Y$ is a pure substance which occurs in nature as such. The substance $Y$ has a fixed melting point and boiling point but it cannot be broken down into simpler substances by any chemical means. The substance $Z$ is also a pure substance whose properties are entirely different from those of its constituents. The substance $Z$ can, however, be divided by electrolysis into two substances which belong to the same class of substances as $Y$.
→- What type of substance could $X$ be? Name one substance like $X$.
- What type of substance could $Y$ be? Name one substance like $Y$.
- What type of substance could $Z$ be? Name one substance like $Z$.
- Whish process involves absorption or release of an appreciable amount of energy: formation of substance $X$ or formation of substance $Z$?
- Name the three groups into which all the substances like $Y$ are divided on the basis of their properties.
Descibe general characters, classification and example of old division Spermatophyta.
- Identify the figure and write down its class.
- Label $A, B, C,$ and $D.$
- What if its respiratory organs$?$
- What type of adaptation this creature has$?$
- What type of endoskeleton it has$?$
Describe structure and functions of Golgi apparatus.